



KOSPET TANK M4 Smart Watch
TBA
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Specification
| Brand | KOSPET |
| Model | TANK M4 |
| Water Resistance | 10 ATM & IP69K | 45 m Freediving / Scuba / Gauge Dive capability |
| Display | Size: 1.96″m, Type: AMOLED Touchscreen | Resolution: 410 × 502 | 331 PPI | Corning Gorilla Glass 3 | Peak Brightness: 1000 nits |
| Material | Case (Inox 360) & Back : Stainless Steel | Strap: Liquid Silicone |
| Dimensions | 50.5 × 42.5 × 13 mm | Weight: 80 g (without strap) | Strap: 22 mm | Wrist fit: 150 – 240 mm |
| Connectivity | Bluetooth v5.3 | App: ApexMove (Android 7.0+ & iOS 14.0+) | Syncs with Apple Health & Strava |
| Memory | 32 GB ROM | 16 MB SRAM |
| Health & Activity | 24 HHeart rate, SpO, Stress, Mood monitoring | One-tap Measurement (HR / SpO₂ / Stress / Mood) | Sleep Stages | Menstrual | Abnormal HR / low SpO₂ alerts, Dual-Band GNSS: BeiDou , QZSS , NavIC (IRNSS), etc, Polarized Antenna, Offline maps, Directions, Route import/export, Deviation Alert, Flashlight, Freedive/Scuba Dive/Gauge, Underwater Walkie-Talkie, Extreme Weather Alerts, 160+ Freestyle Modes | 23 ApexMotion Sports | Smart Sports Recognition, Supports 37 Languages, etc. |
| Audio | Built-in Speaker & Microphone with 4 Buttons |
| Battery Info | Capacity: 500 mAh (Pure Cobalt Battery) | Charging: Magnetic Charging Dock | Charge time: ≈2 hours | Typical Use: 14–15 days | Heavy Use: 9–10 days | AOD: 5–6 days | Continuous GPS: 21–22 hours |
| Sensors | VC9213-4PD Optical Health Sensor | 6-axis Gyroscope | Geomagnetic | Altimeter | Ambient Light | Temperature |
| Smart Features | App / SMS / Call | Music & Camera Control with Storage | Find Phone | DND | SOS | Voice assistant |
| Certification | SGS | Inox 360 | CE / FCC / UL / RoHS / WEEE / |
| Other Features / Info | Moon phase & tides | Extensive Training (Zepp Coach-like functions) |
Descriptions

KOSPET TANK M4 Smart Watch
KOSPET TANK M4 is a diving ready rugged smartwatch for explorers. Its 1.96 inch AMOLED delivers vivid telemetry and dive HUDs while SGS certified chassis survives 10 ATM and IP69K depths to 45 meters. Dual band plus six satellite positioning locks routes precisely, and Apex Move OS with KOSPET FIT syncs training, dive logs and alerts. Up to 15 days battery keeps expeditions running, while dedicated diving modes, robust sensors and magnetic charging make it the companion underwater athletes trust.
Dedicated Diving Modes
Specialized dive modes, depth alerts and logs let you plan and review dives confidently up to 45 meters with precision.
Rugged Navigation and Battery
Dual band plus six satellite positioning locks routes precisely, while up to 15 days battery keeps multi day expeditions powered.
KOSPET TANK M4 Smart Watch Key Highlights
- Dual band GNSS ensures accurate navigation with high precision
- Diving modes along with auto sensing activity feature gives better training data
- Extremely rugged yet gracefully beautiful in design, perfect for every mood
- Smart lifestyle features elevate the watch experience using trendy functionalities
- Offline map with route saving and generating feature helps in daily life’s struggles
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