Casio G-Shock GMA-S2100-1A Compact Size Analog Digital Unisex Watch gma-S2100 gmas2100 gma-s2100-1adr Mudmaster Countdown start time setting range:

Countdown start time setting range: 1 minute to 24 hours(1-minute increments and 1-hour increments)

See-through back case

battery life: 3 years on SR726W × 2

1-second stopwatch Measuring capacity: 99:59'59'' Measuring modes: Elapsed time

Casio G-Shock GMA-S2100-1A Compact Size Analog Digital Unisex Watch gma-S2100 gmas2100 gma-s2100-1adr Mudmaster Countdown start time setting range:Case bezel material: Carbon Resin? Resin Band Mineral Glass Neobrite Shock Resistant Carbon Core Guard structure 200 meter water resistance Double LED light LED light for the face (Super illuminator, selectable illumination duration (1. 5 seconds or 3 seconds), afterglow) LED backlight for the digital display (Super illuminator, selectable illumination duration (1. 5 seconds or 3 seconds), afterglow) Hand shift feature (Hands move out of the way to