Casio G-Shock Classic GMA-P2100SR-1AER

Compact, sleek, and stylish, the GMA-P2100 shines like the summer sun. Treated with a polarized vapor deposition process, the watch glass creates a summery, light-filled atmosphere, with iridescent colors that change with every flick of the wrist. Paired with a translucent case and band, this design evokes the feeling of absolute lightness and freshness of a summer vacation. The compact design fits impeccably on smaller wrists, ensuring total comfort. This model will accompany you wherever you want to go: from casual everyday fun to high-fashion pairings. ¹Each watch features a unique shade gradation due to the nature of the special vapor deposition process applied to the glass. Depending on the surrounding light, the dial may be difficult to read from certain angles. Each watch has a unique color nuance due to the nature of the special vapor deposition process applied to the glass. Depending on the ambient light, the dial may be difficult to read from some angles.

Case size (L × W × H): 46 × 40.2 × 11.2 mm
Weight: 40 g

Case and bezel material: resin
Strap: resin, adjustable from 145 to 190 mm
Construction: shock resistant
Water resistance: 20 bar

Power supply: CR1025 battery with approximate 3-year life

Glass: mineral
Other features: Neobrite

World time: 31 time zones (48 cities + UTC) with daylight saving on/off

Stopwatch: 1/100-second stopwatch with capacity 00'00''00–59'59''99 (first 60 minutes) and 1:00'00–23:59'59 (after 60 minutes), measuring unit 1/100 second (first 60 minutes) and 1 second (after 60 minutes), elapsed time, split time, 1st-2nd place times

Countdown timer: measuring unit 1 second, countdown range up to 24 hours, setting range from 1 second to 24 hours in 1-second, 1-minute, and 1-hour increments

Alarms / hourly time signal: 5 daily alarms and hourly time signal

Lighting: double LED light (Super Illuminator) for dial and digital display with selectable illumination duration (1.5 or 3 seconds) and afterglow
Light color: white

Calendar: full auto-calendar up to 2099

Mute function: button operation tone on/off

Accuracy: ±15 seconds per month

Other functions: hand shift feature (hands move out of the way to provide an unobstructed view of digital display contents)

Timekeeping: analog with 2 hands (hour and minute (hand moves every 20 seconds)), digital with hour, minutes, seconds, PM, month, date, day