This series downsizes the GA2100 to create a simple and slim design. The octagonal bezel, flat face, simple bar hour markers, and carbon core guard structure that are distinctive features of the GA2100 are now available in a compact configuration.SPECIFICATIONSCase size (L× W× H): 46.2 × 42.9 × 11.2 mm
Weight: 41 g
Case / bezel material: Carbon / Resin
Band: Resin Band
Construction: Shock Resistant, Carbon Core Guard structure
Water resistance: 200-meter water resistance
Power supply and battery life: Approx. battery life: 3 years on SR726W X 2
Glass: Mineral Glass
Other: Neobrite
World time: World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off
Stopwatch: 1/100-second stopwatch Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes) 1:00'00~23:59'59 (after 60 minutes) Measuring unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes) Measuring modes: Elapsed time, split time, 1st-2nd place times
Timer: Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
Alarm/hourly time signal/: 5 daily alarms, Hourly time signal
Light: 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)
Light color: LED:White
Calendar: Full auto-calendar (to year 2099)
Mute feature: Button operation tone on/off
Accuracy: ±15 seconds per month
Other features: 12/24-hour format, Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.), Regular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day) Digital: Hour, minute, second, pm, month, date