Casio G- Shock ANALOG-DIGITAL Watch GA-2100 SERIES GA-2100SKE-7
Shock Resistant. Watch Features. battery life: 3 years on SR726W. 00'00"00~59'59"99 (for the first 60 minutes). 1:00'00~23:59'59 (after 60 minutes). 1/100 second (for the first 60 minutes). 1 second (after 60 minutes).
