G-Shock Gm2100bm-1a - Black

2100 series

Resin and stainless steel

Bio-based resin band

Mineral glass

Ion-plated bezel

Shock resistant

200-meter water resistance

3 years battery life

31 time zones

1/100-second stopwatch

Countdown timer

5 daily alarms

Hourly time signal

Double LED light

Full auto-calendar (to year 2099)

Button operation tone on/off

Accuracy: ±15 seconds per month

12/24-hour format

Dimensions: L 49.3 x W 44.4 x H 11.8 mm 

Compatible band size: 145-215 mm

Style: gskgm2100bm-1a

Color: Black

Material: Resin / Stainless steel