Looking for a fantastic smartwatch that won’t break the bank? You’re in luck! Finding the best smart watch under $400 doesn’t mean compromising on essential features or sleek design. The market is full of impressive wearables that offer everything from health tracking and fitness modes to Bluetooth calling and smart notifications, all within a reasonable budget.
We’ve scoured the options to bring you a curated list of five top contenders that deliver incredible value for money. Whether you’re a fitness enthusiast, a busy professional, or just looking to stay more connected, there’s a great option here for you. Let’s dive in and find your perfect wrist companion!
1. QONBINK Smart Watch for Men Women (Answer/Make Call) 1.85″

The QONBINK Smart Watch is a true all-rounder, packing a serious punch for its price point. What really makes it stand out is its robust feature set, including a high-capacity 400 mAh battery that promises up to 30 days of standby time – that’s impressive! It’s designed to keep you connected and on top of your health without constant charging, making it a fantastic choice for active individuals seeking the best smart watch under $400 with exceptional battery life.
Key Features:
* Bluetooth Call & Smart Reminder with advanced 5.3 chip
* 24/7 Health & Activity Monitoring (heart rate, sleep quality)
* 1.85” HD Display with 300+ customizable watch faces
* 120+ Exercise Modes for diverse fitness tracking
* Voice Assistant for convenient commands
* High-capacity 400 mAh battery (up to 30 days runtime/standby)
* IP68 Waterproof rating
* Compatible with Android 6.0+ and iOS 10.0+ devices
* Includes useful functions like weather, calculator, alarm, music control, and games
Pros:
* Excellent battery life (up to 30 days standby)
* Large, clear HD display with many watch faces
* Comprehensive health and fitness tracking (120+ modes)
* Voice assistant adds convenience
* Full IP68 waterproof rating
Cons:
* Step counting only starts after 20 steps (minor)
* High water temperatures can affect service life
User Impressions:
Users frequently praise the QONBINK for its surprisingly long battery life and the clarity of its screen. Many find the Bluetooth calling feature clear and reliable, appreciating the convenience of taking calls directly from their wrist. Its health tracking features are generally considered accurate enough for daily monitoring, making it a popular choice for those wanting a solid, dependable fitness tracker.
2. TRAUSI Women Men Smart Watch 1.8 Inch HD Smartwatch with…

The TRAUSI Smart Watch offers a vibrant and crystal-clear visual experience with its 1.83-inch IPS HD display, making every interaction a pleasure. It seamlessly blends technology with fashion, allowing for extensive personalization with a wide array of customizable watch faces. This wearable is perfect for someone who wants a versatile device that looks great, performs well, and helps them stay connected on the go.
Key Features:
* 1.83″ HD IPS Display (240*284 resolution)
* Extensive Customizable Watch Faces
* 120 Sports Modes for varied activity tracking
* Advanced Health Tracking (heart rate, sleep monitors)
* Bluetooth Call and Music Control features
* Real-time notifications for calls, messages, and social media
* IP67 Waterproof rating
* Reliable 350mAh battery (5-7 days active use, 30 days standby)
* Compatible with iPhone (iOS 9.0+) & Android (5.0+)
Pros:
* Vibrant and clear HD display
* Wide range of sports modes for fitness enthusiasts
* Convenient Bluetooth calling and music control
* Good battery life for active use
* Sleek design that complements any outfit
Cons:
* IP67 rating is slightly less resistant than IP68 for prolonged submersion
* Notifications are display-only (no reply function)
User Impressions:
Customers love the TRAUSI for its bright screen and the sheer number of watch face options, allowing for great personalization. The ease of managing calls and music directly from the wrist is a frequently highlighted positive. Users find it a reliable companion for daily activities and workouts, appreciating its comprehensive health monitoring.
3. SENBONO Smart Watch with Alexa Built-in, 1.83″ HD…

For those who crave convenience and smart home integration, the SENBONO Smart Watch is a game-changer with its built-in Alexa voice assistant. Imagine controlling your music, setting reminders, or checking the weather simply by speaking to your wrist – it truly makes daily tasks easier. This feature, combined with solid health tracking and Bluetooth calling, makes it a strong contender if you’re seeking the best smart watch under $400 with smart assistant capabilities.
Key Features:
* Alexa Built-In for hands-free convenience
* Bluetooth 5.3 chip for stable call connections
* 1.83″ HD Screen with vivid colors and customizable watch faces
* 120+ Sports Modes for diverse activity tracking
* 24/7 Health Monitoring (heart rate, steps, calories, sleep quality, stress)
* IP68 Waterproof rating
* Compatible with iOS 10.0+ and Android 6.0+
* Receives notifications for calls, texts, and apps
Pros:
* Integrated Alexa voice assistant is highly convenient
* Clear HD screen with good visibility
* Comprehensive health and fitness tracking
* Full IP68 waterproof rating
* Reliable Bluetooth calls
Cons:
* Does not support replies to messages (notifications only)
* High water temperatures can affect water resistance
User Impressions:
The Alexa integration is a massive hit with SENBONO users, who find it incredibly useful for quick queries and smart home control. Many appreciate the crisp display and the accuracy of the health sensors. The ability to make and answer calls directly from the watch is also a widely praised feature, enhancing its utility for busy individuals.
4. Military Smart Watches for Men (Answer/Make Calls), 1.39″…

Built like a tank, the Military Smart Watch is designed for those who demand ultimate durability and resilience. With its triple defense protection – IP68 waterproof, dustproof, and shockproof – it’s ready for any adventure you throw at it. If your lifestyle is rugged and you need a smartwatch that can withstand the elements while keeping you connected, this is an excellent choice. It’s also a contender for the best smart watch under $400 for those prioritizing robustness.
Key Features:
* Military-grade durability: IP68 waterproof, dustproof, and shockproof
* Bluetooth Calls & Notifications with high-quality speaker and HD microphone
* 1.39-Inch Full HD touchscreen with 200+ customizable watch faces
* 110+ Sports Modes for extensive activity tracking
* Health tracking: heart rate monitoring, sleep tracking
* Impressive 30-day standby battery life (5-7 days active use)
* Compatible with iOS 9.0+ and Android 5.0+
* Includes 20+ multi-function features like timer, alarm, weather, calculator
Pros:
* Exceptional durability for rugged environments
* Reliable Bluetooth calling and notifications
* Long battery life (up to 30 days standby)
* Clear HD display with vast watch face options
* Comprehensive sports modes
Cons:
* Smaller screen size (1.39 inches) compared to other options
* Some users might prefer a more “sleek” or less “rugged” aesthetic
User Impressions:
This watch consistently earns high marks for its toughness and reliability. Adventurous users love its ability to withstand rough conditions, while others appreciate the peace of mind its durability offers. The strong battery life and clear call quality are also frequently highlighted, making it a favorite for those who need a truly robust smart device.
5. ganopterygon Smart Watch for Men Women, 2.01″ HD Smartwatch…

If a large, vibrant display is high on your priority list, the ganopterygon Smart Watch will instantly grab your attention. Its expansive 2.01-inch HD touchscreen offers 40% enhanced outdoor visibility, ensuring your data is always clear, even in bright sunlight. This watch is ideal for anyone who values a large, easy-to-read interface for checking notifications, fitness stats, and time at a glance.
Key Features:
* 2.01″ HD Display with enhanced outdoor visibility
* Real-Time Message Sync (calls, SMS, social apps)
* 120+ Sports Modes with advanced analysis (route mapping, performance metrics)
* Precision Health Monitoring (24/7 heart rate, comprehensive sleep stage analysis including REM)
* Smart Assistant features: sedentary reminders, menstrual cycle tracking, music/camera control, weather
* Extended Battery Life: 7-day runtime on a single charge, 24-hour usage from 20-minute charge
* IP67 Waterproof rating
* Compatible with iOS 10.0+ and Android 6.0+
Pros:
* Largest display among the reviewed watches for excellent readability
* Enhanced outdoor visibility is a major plus
* Advanced sports tracking with detailed reports
* Comprehensive sleep analysis including REM
* Fast charging capabilities
* Good battery life
Cons:
* IP67 rating (not IP68 for deeper submersion)
* No reply function for messages (notifications only)
User Impressions:
Users are consistently impressed by the large, clear screen and how easy it is to read, especially outdoors. The detailed fitness tracking, particularly the route mapping and performance metrics, is highly valued by active individuals. Many also appreciate the quick charging feature, making it convenient for daily use without long downtimes.
Frequently Asked Questions (FAQ)
Q1: What features are essential in a smart watch under $400?
A1: When looking for a smart watch in this price range, prioritize features like health monitoring (heart rate, sleep), fitness tracking (sports modes, step counter), smart notifications (calls, texts, app alerts), and decent battery life. Bluetooth calling, a clear display, and a good waterproof rating are also highly desirable.
Q2: Can these smartwatches make and receive calls independently?
A2: Most smartwatches in this price range, including several on our list, can make and receive calls directly from your wrist using Bluetooth, as long as they are connected to your smartphone. They don’t typically have independent cellular connectivity unless specified, meaning your phone needs to be nearby.
Q3: Are these watches compatible with my iPhone or Android phone?
A3: Yes, almost all modern smartwatches, especially those highlighted here, are designed for broad compatibility. They typically support both iOS (iPhones) and Android devices. Always check the specific iOS/Android version requirements listed in the product specifications to ensure full compatibility.
Q4: How accurate is health tracking on these budget-friendly devices?
A4: Smartwatches under $400 use optical sensors for health tracking (like heart rate and sleep). While they provide excellent insights for general wellness and fitness monitoring, they are not medical devices. For clinical accuracy or medical diagnoses, consult a healthcare professional and specialized medical equipment.
Q5: What do IP67 and IP68 waterproof ratings mean?
A5: These ratings indicate how resistant a device is to dust and water.
* IP67: Dust tight and can withstand submersion in water up to 1 meter (about 3 feet) for 30 minutes. It’s good for splashes, rain, and brief immersion.
* IP68: Dust tight and can withstand submersion in water up to 1.5 meters (about 5 feet) for 30 minutes, and sometimes even more, depending on manufacturer specifications. It offers slightly better protection for swimming or showering.
Q6: How long does the battery typically last on these smartwatches?
A6: Battery life varies significantly based on usage and features. For smartwatches under $400, you can generally expect anywhere from 5-7 days of active use to up to 30 days in standby mode. Features like constant screen-on display, frequent Bluetooth calls, and GPS usage will drain the battery faster.
Q7: Can I control music from these smartwatches?
A7: Yes, many smartwatches in this category, including several on our list, offer music control features. This allows you to play, pause, skip tracks, and adjust volume on your phone’s music player directly from your wrist, which is very convenient during workouts or commutes.


