Watch

A good running watch should be easy to read while moving, comfortable on the wrist, resistant to sweat and rain, and useful enough to track your training

The Casio AE1200 battery is a CR2025 lithium coin cell. This applies to the popular Casio AE-1200WH, often called the “Casio Royale” by watch fans.

The Casio GA100 battery is a CR1220 lithium coin cell. This applies to many Casio G-Shock GA-100 models using Module 5081. The expected battery life is

The Casio AE-1000W battery is a CR2025 lithium coin cell. This applies to the common AE-1000W models with module 3198, including versions such as AE-1000W-1A

The A158W runs on a CR2016 lithium coin cell — the same battery used across several other classic Casio digitals, including the F-91W family. It’

f you came here because a low-battery warning popped up, the display started glitching, or Bluetooth just won’t stay connected anymore — the battery

The Casio DW 9052 battery is a CR2016 lithium coin cell. This applies to the popular Casio G-Shock DW-9052 series with module 3232. The official battery

Open the case back on a GA-2100 for the first time and there’s a decent chance you’ll pause. Most Casio digitals run on a single cell, so people

The battery for Casio MQ-24 is usually an SR626SW silver oxide button cell. This is a small 1.55V watch battery used in many simple analog quartz watches.

The Casio F91 battery is one of the easiest things to understand about this watch. The Casio F-91W uses a CR2016 lithium battery, and the official estimated