KOSPET Tank M4 Rugged Smart Watch | GPS + Dive Ready

Built for the Bold. Engineered for the Elements.

The KOSPET Tank M4 is a precision-engineered rugged smartwatch designed for those who demand performance without compromise. Wrapped in a full stainless steel body and protected by Corning Gorilla Glass 3, it's built to endure the extremes — from mountain summits to ocean depths — while keeping you connected, informed, and in control.

Whether you're navigating remote trails with offline topographic maps, tracking a freedive at 45 meters, or monitoring your recovery after an intense training session, the Tank M4 delivers with unwavering reliability. Its vibrant 1.96" AMOLED display at 461 PPI and 1000-nit peak brightness ensures crystal-clear visibility in any lighting condition.

Pair it with the Apexmove App to unlock training plans, route creation, and seamless sync with Apple Health, Strava, Google Fit, and Samsung Health — making it the ultimate companion for athletes, adventurers, and everyday explorers alike.

• 🛡️ Military-Grade Toughness — Inox 360 Shield structure, certified by 20 U.S. military-standard tests; withstands -58°F to 158°F
• 🗺️ Dual-Band GPS & Offline Maps — 6-satellite GNSS positioning with topographic & contour offline maps; real-time navigation & route deviation alerts
• 🏊 10ATM + IP69K Waterproof — Freedive, Scuba, and Gauge dive modes; rated to 100m depth
• ⚡ 15-Day Battery Life — Up to 15 days typical use, 22 hours continuous GPS, charges fully in ~2 hours
• 🏃 183 Sport Modes — 23 ApexMotion precision modes + 160 freestyle training modes with 6-axis gyroscope tracking
• ❤️ 24/7 Health Monitoring — Heart rate, SpO₂, stress, sleep stages (incl. REM), mood, menstrual cycle tracking & health alerts
• 📡 Built-In Walkie-Talkie & Voice Assistant — Instant push-to-talk communication; mic & speaker onboard
• 🌍 40+ Languages Supported — Global-ready with Bluetooth 5.3 and compatibility with Android 7.0+ & iOS 14.0+

Full Specifications

Display: 1.96" AMOLED, 410×502 resolution, 461 PPI, 1000-nit peak brightness, Corning Gorilla Glass 3

Body Material: Stainless Steel bezel, case & back panel

Band Material: Silica Gel, 22mm width, detachable

Battery: 500mAh pure cobalt; up to 15 days typical, 22hrs GPS, charges in ~2hrs

Water Resistance: 10ATM & IP69K; rated to 100m+; 3 dive modes (Freedive, Scuba, Gauge)

GPS: Dual-band L1+L5, 6 satellite systems, offline maps (topographic & contour), real-time navigation

Health Sensors: VC9213-4PD (SpO₂, heart rate, stress, mood); 6-axis gyroscope; barometric altimeter; ambient light & temperature sensors

Sports Modes: 183 total (23 ApexMotion + 160 Freestyle); smart auto-recognition for 6 activities

Connectivity: Bluetooth 5.3; compatible with Android 7.0+ & iOS 14.0+

Storage: 32GB ROM; music storage supported

Dimensions: 50.5 × 42.5 × 13mm; 80g (without strap); wrist size 150–240mm

Languages: 40+ including English, French, German, Spanish, Arabic, Japanese, Korean & more

Certifications: CE, FCC, RoHS, KC

App: Apexmove App (iOS & Android); syncs with Apple Health, Strava, Google Fit, Samsung Health