A smartwatch under 100 has gone from a compromise to a genuinely capable everyday companion. The latest budget models offer Bluetooth calling, full-color HD touchscreens, heart rate and blood oxygen tracking, and battery life that flagship watches still cannot match. For most people who want notifications, fitness data, and call handling on the wrist, paying more buys polish rather than core function.

When shopping in this range, focus on the features you will actually use daily. Confirm the watch supports both your phone platform (iPhone or Android) and the apps you need, check the real-world battery rating rather than the marketing standby number, and look at display size and brightness since that affects readability outdoors. Calling quality, sensor accuracy, and water resistance separate the standouts from the merely cheap, so weigh those before screen size or watch-face count.

#1
Military Smart Watch for Men(Answer/Make Calls),Outdoor Smartwatch with 100 Days Battery/Flashlight/Compass/Heart Rate/SpO2/Sleep Monitor/2 Straps, Rugged Fitness Watch for iPhone/Android Phones
Best Overall

Military Smart Watch for Men(Answer/Make Calls),Outdoor Smartwatch with 100 Days Battery/Flashlight/Compass/Heart Rate/SpO2/Sleep Monitor/2 Straps, Rugged Fitness Watch for iPhone/Android Phones

The Military Smart Watch for Men combines true answer and make-call functionality with a rugged outdoor build and standby battery life rated up to 100 days. That mix of durability, calling, and endurance makes it the most well-rounded pick for everyday and outdoor use.

  • ๐Ÿ‘ใ€960mAh Large Battery & 100 Days+ Ultra-Long Battery Lifeใ€‘ The Blackview men's military smartwatch features a built-in 960mAh high-capacity polymer high-voltage battery, boasting over 100 days of standby time and over 30 days of daily use, without the need for frequent charging. Its durable, scratch-resistant plastic case and zinc alloy housing are durable enough to withstand outdoor bumps, dust, and sand, making it suitable for camping and other activities. No more worries about battery life or durability.
  • ๐Ÿ‘ใ€LED Flashlight & Precision Compassใ€‘ This durable Blackview men's military smartwatch features a built-in, high-brightness LED flashlight that activates with a single button for nighttime hiking, camping, or emergency lighting, eliminating the need for additional lighting. Combined with a precise compass, it allows for quick navigation when lost in the wilderness or without signal, providing safety and practicality for outdoor adventures, mountaineering, and military training.
  • ๐Ÿ‘ใ€Answer/Make Calls & 2 Strapsใ€‘ Connect to the "Da Fit" app on your phone via Bluetooth to answer and make calls directly on your watch, eliminating the need to constantly pull out your phone. The app lets you store multiple contacts on your watch, ensuring you stay connected with family and friends anytime, anywhere. The smartwatch receives real-time notifications of incoming calls and messages (WhatsApp, Facebook, Instagram, etc.). The watch also comes with two straps, made of comfortable material that conforms to sensitive skin, making it ideal for daily commutes and outdoor activities.
  • ๐Ÿ‘ใ€1.45'' Large Screen & Customizable Watch Facesใ€‘ Equipped with a 1.45'' TFT HD display, the display is constructed from tempered glass and PET film, offering exceptional scratch and interference resistance. Time, messages, and health data are clearly visible, allowing you to easily view them. Customizable watch faces allow you to set personal photos (family, pets, or other favorites) as backgrounds, or choose from a vast online library of watch faces to suit any outfit and occasion, ensuring both practicality and a personalized viewing experience.
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#2
JeeJTek Smart Watches for Men Women - 1.83" HD 2025 Fitness Tracker with 100 Sports Modes, Heart Rate/Sleep Monitor, Bluetooth Call & Music Control IP68 Waterproof for iPhone/Android
Best Value

JeeJTek Smart Watches for Men Women - 1.83" HD 2025 Fitness Tracker with 100 Sports Modes, Heart Rate/Sleep Monitor, Bluetooth Call & Music Control IP68 Waterproof for iPhone/Android

The JeeJTek Smart Watch delivers a crisp 1.83-inch HD display with comprehensive fitness tracking, including SpO2 and 100-plus sport modes, in a slim everyday design. It packs the features most buyers want into a balanced, easy-to-wear package for men and women.

  • AI VOICE ASSISTANT & IP68 Waterproof- Talk to the AI voice assistant for perfect hands freedom navigation, calls, music and alarms. With an IP68 waterproof,designed for your active lifestyle, the smartwatch is easy andperfect for Daily Waterproofing needs.
  • SMART NOTIFICATION & QUICK REPLY, Receive gentle vibrations on your wrist for incoming messages, calls, and alerts. The smart watch for Android phones lets you send preset quick replies to calls and messages at any time(quick reply is available for Android users only), which you can stay connected without even having to take your phone out of your pocket.
  • 100+ Style Multilingual Smartwatch Personalize 1.83" HD display with 100+ dynamic watch faces or photo custom dials. 19-language support and sleek unisex design blending fitness tech with daily fashion.
  • AI VOICE ASSISTANT & IP68 Waterproof- Talk to the AI voice assistant for perfect hands freedom navigation, calls, music and alarms. With an IP68 waterproof,designed for your active lifestyle, the smartwatch is easy andperfect for Daily Waterproofing needs.
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#3
Smart Watches for Men(Flashlight&100 Days Battery Life), 1.95'' Fitness Watch: Waterproof Military Smart Watch with Call/Sleep/SpO2/Heart Rate Monitor/Step Tracker, Sport Smartwatch for Android iPhone
Best Premium

Smart Watches for Men(Flashlight&100 Days Battery Life), 1.95'' Fitness Watch: Waterproof Military Smart Watch with Call/Sleep/SpO2/Heart Rate Monitor/Step Tracker, Sport Smartwatch for Android iPhone

This Smart Watch for Men steps up to a larger 1.95-inch fitness display and adds a built-in flashlight alongside battery life rated up to 100 days. The bigger screen and practical extras make it the most capable feeling option in the lineup.

  • ใ€Engineered For The Ultimate Durabilityใ€‘This fitness smart watches for men boasts a rugged full-zinc alloy casing thatโ€™s built to resist scratches, withstand extreme temperatures, and thrive in the toughest conditions. Whether you're hiking through rugged trails, braving the elements on a job site, or pushing your limits in the great outdoors, this watch is your reliable companion-ready to tackle every challenge with you
  • ใ€30 Days Of Powerใ€‘Built for the outdoors, this military smart watch for men delivers 30 days of battery life and just 12 charges a year. With 100 days of standby and a 2-hour recharge, itโ€™s your reliable companion-whether hiking, camping, or traveling. Durable and always ready, it wonโ€™t quit when you need it most, you can say goodbye to battery anxiety
  • ใ€LED Flashlight, Ready For Any Adventureใ€‘This military smart watches for men comes with a bright LED flashlight (8-12 meters range), perfect for low-light or emergency situations. Just press and hold the lower right button to turn it on. Whether you're night cycling, exploring, or fixing something, itโ€™s your reliable light source. Ready for any adventure, anytime
  • ใ€24/7 Health & Fitness Tracker, Live Better, Track Smarterใ€‘This military smart watches for men uses high-precision sensors to monitor your heart rate, sleep, blood oxygen, and stress levels in real-time, 24/7. The app provides detailed sleep analysis (light, deep, and awake stages) and health data to help you improve your lifestyle. (Note: Not for medical use.)
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#4
Smart Watch for Women for iPhone Android: 1.83" HD Touchscreen Bluetooth Call Smartwatch with Heart Rate, SpO2, Stress, Sleep Tracking, IP68 Waterproof Fitness Tracker, 100+ Sport Modes (Dark Gray)
Runner-Up

Smart Watch for Women for iPhone Android: 1.83" HD Touchscreen Bluetooth Call Smartwatch with Heart Rate, SpO2, Stress, Sleep Tracking, IP68 Waterproof Fitness Tracker, 100+ Sport Modes (Dark Gray)

The Smart Watch for Women pairs a bright 1.83-inch HD touchscreen with Bluetooth calling and broad iPhone and Android support in a refined design. It is a strong, stylish choice for anyone who wants calling and tracking without a bulky outdoor look.

  • ๐Ÿ“ž [๐๐ฅ๐ฎ๐ž๐ญ๐จ๐จ๐ญ๐ก ๐‚๐š๐ฅ๐ฅ & ๐’๐ฆ๐š๐ซ๐ญ ๐๐จ๐ญ๐ข๐Ÿ๐ข๐œ๐š๐ญ๐ข๐จ๐ง๐ฌ] : This smart watch lets you make and answer calls directly from your wrist with clear audio. Add up to 20 frequent contacts and store 20 call logs. Receive SMS and app notifications (Facebook, WhatsApp, Instagram, etc.) via the VeryFit app. Perfect as one of the best smart watches for women who want to stay connected.
  • โค๏ธ [๐Ÿ๐Ÿ’/๐Ÿ• ๐‡๐ž๐š๐ฅ๐ญ๐ก ๐Œ๐จ๐ง๐ข๐ญ๐จ๐ซ๐ข๐ง๐  - ๐‡๐ž๐š๐ซ๐ญ ๐‘๐š๐ญ๐ž, ๐’๐ฉ๐Žโ‚‚, ๐’๐ญ๐ซ๐ž๐ฌ๐ฌ & ๐‚๐ฒ๐œ๐ฅ๐ž] : As a true health watch for women, it tracks your heart rate all day with high/low alerts, monitors blood oxygen with low oxygen reminders, and keeps an eye on stress levels with high stress warnings. Also supports menstrual cycle tracking and reminders - a thoughtful feature for womens smart watches.
  • ๐Ÿ˜ด [๐’๐ฅ๐ž๐ž๐ฉ ๐Œ๐จ๐ง๐ข๐ญ๐จ๐ซ๐ข๐ง๐  & ๐Ÿ๐ŸŽ๐ŸŽ+ ๐’๐ฉ๐จ๐ซ๐ญ ๐Œ๐จ๐๐ž๐ฌ] : Get scientific sleep monitoring to better understand your body. This fitness watch offers over 100 sport modes (20 pre-loaded on watch: running, walking, cycling, yoga, HIIT, rowing, etc.) with 4 automatic activity recognition (indoor walk, outdoor walk, indoor run, outdoor run). Accurately track steps, calories, and workout duration.
  • โœจ [๐Ÿ.๐Ÿ–๐Ÿ‘" ๐…๐ฎ๐ฅ๐ฅ ๐“๐จ๐ฎ๐œ๐ก ๐ƒ๐ข๐ฌ๐ฉ๐ฅ๐š๐ฒ & ๐Ÿ๐ŸŽ๐ŸŽ+ ๐‚๐ฅ๐จ๐ฎ๐ ๐–๐š๐ญ๐œ๐ก ๐…๐š๐œ๐ž๐ฌ] : Enjoy a large 1.83-inch touchscreen (240*284 resolution). Switch between 3 built-in watch faces and 100+ cloud-based dials via the VeryFit app. You can also upload your own photo. Brightness adjustable for day or night use - a stylish choice among smart watches for women.
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#5
uaue AI Smart Watch with ChatGPT, 1.91" Bluetooth Calling Smartwatch for Men Women, 110+ Fitness Modes Activity Tracker, Sleep/Heart Rate/Calorie Monitor, IP68 Waterproof Step Counter for Android iOS
Best Budget

uaue AI Smart Watch with ChatGPT, 1.91" Bluetooth Calling Smartwatch for Men Women, 110+ Fitness Modes Activity Tracker, Sleep/Heart Rate/Calorie Monitor, IP68 Waterproof Step Counter for Android iOS

The uaue AI Smart Watch brings ChatGPT-style voice features and Bluetooth calling to a roomy 1.91-inch display for men and women. It is the pick for early adopters who want on-wrist AI alongside standard smartwatch essentials.

  • ใ€Built-in ChatGPT AI Assistant - Smart Support Anytime, Anywhereใ€‘This smart watch comes equipped with ChatGPT AI, allowing you to access smart features directly from your wrist. Whether you need instant answers, translation help, or even emotional and wellness support, ChatGPT is there to help-all with voice or text input. Simply pair the smartwatch via Bluetooth and keep the "GloryFit" app active on your phone to enable the AI features. Itโ€™s like having your personal assistant with you 24/7.
  • ใ€Comprehensive Health Monitoring with AI-Generated Reportsใ€‘Track your health more intelligently. This fitness watch continuously monitors your heart rate, sleep quality (light, deep, REM), steps, calories, distance, and even menstrual cycles. What sets it apart is the AI-powered health report function: it analyzes your daily data and provides personalized wellness suggestions to help you better understand your body and improve your lifestyle over time.
  • ใ€ Bluetooth Calling & App Alerts - Stay Connected Anytimeใ€‘The built-in speaker and microphone allow you to answer, reject, and dial calls directly from the smart watches for men without taking out your phone. You can also sync your contacts and view your recent call history. Plus, receive real-time message and app notifications from SMS, WhatsApp, Facebook, Instagram, Twitter, and more-all visible on the 1.91" screen. Perfect for work, fitness, driving, or any hands-free situation.
  • ใ€110+ Sports Modes & IP68 Waterproof - Ready for Any Workoutใ€‘Whether you're into walking, running, cycling, basketball, jump rope, or hiking, this android smart watch supports over 110 sports modes with accurate activity tracking. It records your workout metrics like steps, duration, calories burned, heart rate, and distance in real-time. With an IP68 waterproof rating, you can confidently wear it while sweating or in light rain. (Note: Not suitable for hot showers or swimming.)
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Key buying factors

Bluetooth Calling Quality

If you want to answer and make calls from your wrist, check that the watch has a built-in microphone and speaker, not just call notifications. Test the pairing range and audio clarity, since cheaper models can drop calls past a few meters from the phone.

Real-World Battery Life

Marketing often quotes standby numbers up to 100 days, but typical use with the screen, notifications, and heart rate sensor active is far shorter. Look for stated usage figures and prioritize watches that last several days between charges so daily wear stays hassle free.

Phone Compatibility

Verify the companion app supports your specific phone, both iPhone and Android. Some budget watches handle calls and notifications well on Android but limit features on iOS, so read the compatibility notes before buying.

Display Size and Brightness

A larger HD screen, in the 1.83 to 1.95 inch range here, makes notifications and workout stats easier to read. Brightness matters most outdoors, so check that the panel stays legible in direct sunlight.

Health and Fitness Sensors

Most watches in this class track heart rate, blood oxygen (SpO2), sleep, and steps across dozens of sport modes. Treat the readings as trend data rather than medical-grade results, and favor models with consistent, frequent sampling.

Durability and Water Resistance

Rugged or military-style builds resist drops and dust, while a clear IP68 or 5 ATM rating protects against sweat and rain. Choose based on whether you need a tough outdoor watch or a slimmer everyday design.

Types explained

Rugged Outdoor Smartwatch

Built with reinforced bezels and military-style shock resistance for hiking, work sites, and harsh conditions. These models emphasize durability, long standby battery, and outdoor tools like compass or flashlight.

Best for: Active and outdoor users who need a watch that survives drops, dust, and weather.
Large-Display Fitness Tracker

Centered on a big HD touchscreen with heart rate, SpO2, sleep, and 100-plus sport modes. The roomy screen makes stats and notifications easy to read during workouts.

Best for: Fitness-focused buyers who want clear data and broad activity tracking.
Bluetooth Calling Smartwatch

Equipped with a microphone and speaker so you can answer and make calls directly from the wrist. These prioritize voice clarity and quick access to the dialer and contacts.

Best for: People who frequently take calls hands-free or while commuting.
AI-Assistant Smartwatch

Adds voice assistant or ChatGPT-style features on top of standard calling and fitness tracking. These appeal to early adopters who want quick answers and voice queries on the wrist.

Best for: Tech enthusiasts curious about on-wrist AI alongside everyday smartwatch tasks.

Care & usage tips

Set Up the Companion App First

Before wearing the watch, install the official companion app, grant notification and Bluetooth permissions, and complete the firmware update. This unlocks calling, accurate health tracking, and the full set of watch faces, and it prevents most early pairing problems.

Charge and Store Correctly

Use the magnetic charger that ships with the watch and avoid letting the battery fully drain repeatedly, which shortens its lifespan. To preserve charge during travel, lower screen brightness and turn off always-on display and continuous heart rate sampling.

Clean Sensors and Band Regularly

Wipe the rear heart rate sensor and the underside of the band after sweaty workouts so readings stay accurate and the skin stays comfortable. Use a slightly damp cloth, dry fully before recharging, and never submerge a watch beyond its rated water resistance.

Why this matters

The headline battery numbers, often up to 100 days, almost always refer to standby with most features off, not real daily use. The more honest signal is the watch's heart rate sampling interval and display behavior, because a watch that constantly measures and uses an always-on screen can drain in a few days regardless of the standby claim. Reading the usage rating rather than the standby rating tells you far more about how often you will actually be charging it.

Pro tip

Turn off always-on display and set heart rate sampling to a longer interval right after setup; you will roughly double real battery life with almost no loss in useful function.

Frequently asked questions

Can a smartwatch under 100 really make and answer phone calls?+

Yes. Several models in this range include a built-in microphone and speaker, so you can take and place calls directly from the wrist once paired over Bluetooth. Just confirm the listing specifies calling, not only call notifications, and expect best results within a few meters of your phone.

Do these watches work with both iPhone and Android?+

Most do, through a free companion app, but feature support can vary by platform. Android phones often unlock the fullest experience, while some calling or notification features are more limited on iOS, so check the compatibility details for your specific phone before buying.

Is the battery life claim of 100 days accurate?+

That figure is a standby rating with most features disabled. In normal daily use, with notifications, the display, and heart rate tracking active, expect several days rather than months. It is still excellent compared with flagship watches that need nightly charging.

Are the fitness and health sensors accurate?+

Heart rate, blood oxygen, sleep, and step tracking are reliable enough for spotting trends and tracking workouts, but they are not medical devices. Treat the numbers as guidance, keep the watch snug on your wrist during exercise, and do not use them for diagnosis.

Are budget smartwatches waterproof?+

Many carry an IP68 or 5 ATM rating, which handles sweat, rain, and handwashing. That does not mean they are built for swimming or showering in hot water, so always check the specific rating and avoid exposing the watch beyond what it states.

Sources

TR
Author

Tom Reeves

Senior Electronics & TV Editor

Tom Reeves has reviewed consumer electronics for over a decade, with a focus on televisions, monitors, laptops, and smart home devices. He worked as a professional display calibrator before moving into editorial, and he brings that hands-on technical background to every TV and monitor review. At TheTestedHub, Tom covers display calibration, computer monitors, laptops and 2-in-1s, smart home platforms, home theater setups, and HDR performance.