Coros Apex 4 (46mm)

Name: Coros Apex 4 (46mm)
Brand: Coros

Coros Apex 4 (46mm) is a GPS sports watch released in October 2025. Key specs: case size 46 mm, screen size 1.3″, battery life (smartwatch mode) 24 days, GPS battery life 53 h.

6.0Score

Display3.8

Battery life8.2

Health tracking4.9

Sports & outdoor4.6

Smart features6.5

Build & durability4.7

price range$430–530

Full specifications

Released: October 2025
Type: GPS sports watch
Brand: Coros
Popularity: #466 of 796

46 mmCase size

1.3″Screen size

NoAMOLED / OLED display

24 daysBattery life (smartwatch mode)

53 hGPS battery life

5 ATMWater resistance

64 gWeight

Spec guide

How it ranks among GPS sports watches of 2025

Spec guide

Screen size · 1.3″Bottom 20%Battery life (smartwatch mode) · 24 daysTop 14%GPS battery life · 53 hTop 30%Water resistance · 5 ATMBottom 38%Weight · 64 gBottom 25%

Compared with GPS sports watches released in 2025. Bars show the share of models it beats.

compared with other GPS sports watches

Why is Apex 4 (46mm) a good choice?

Battery life (smartwatch mode): 24 daysbetter than 82% of GPS sports watches

GPS battery life: 53 hbetter than 72% of GPS sports watches

GPS battery life (dual-band): 41 hbetter than 78% of GPS sports watches

Weak points

Water resistance: 5 ATMworse than 93% of GPS sports watches

In rankings

#25Longest battery with multi-band GPS

Specifications

Full specifications

Design & durability

Case size: 46 mm
Weight: 64 g
Thickness: 13.7 mm
Height: 46.2 mm
Width: 46.2 mm
Case material: Titanium
Sapphire crystal: Yes
Lens / cover glass: Sapphire Glass
Strap material: Silicone / Nylon
Water resistance: 5 ATM
Water rating (maker): 5 ATM

Display

Screen size: 1.3″
Display technology: Memory-in-pixel (transflective)
Panel: 3rd Generation Memory-in-Pixel touch screen
AMOLED / OLED display: No
Always-on display: Yes
Touchscreen: Yes
Resolution (width): 260 px
Resolution (height): 260 px
Pixel density: 200 ppi

Battery

Battery life (smartwatch mode): 24 days
GPS battery life: 53 h
GPS battery life (dual-band): 41 h

Health sensors

Optical heart rate: Yes
Blood oxygen (SpO2): Yes
ECG: Yes
Temperature sensor: Yes
HRV tracking: Yes
Sleep tracking: Yes
Sensors: Speaker to take hands-free calls or play activity alerts out-loud., Microphone to record training logs, use voice commands, and save Voice Pins, Optical Heart Rate Monitor, Barometric Altimeter, Accelerometer, Gyroscope, 3D Compass, Thermometer ), Optical Pulse Oximeter, Electrical Heart Rate Sensor for HRV and Wellness Checks