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Slip on a splash of clear metallic pleasure with the ever-popular analog-digital combination GA-2100 in a slimmer, more compact profile. Metallic translucent designs in a choice of colors for versatile watches that pair with any outfit, all year round. Index markings treated with a half-matte vapor deposition finish bring to life the clear metallic look. The dial and dial ring on the blue and pink models are treated with micro-polarized paint to create a mysterious and subtle radiance.Case size (L× W× H): 46.2 × 42.9 × 11.2 mmWeight: 41 gCase / bezel material: ResinShock ResistantCarbon Core Guard structure200-meter water resistanceApprox. battery life: 3 years on SR726W X 2Mineral GlassCompatible band size: 140 to 205mmNeobriteWorld time31 time zones (48 cities + coordinated universal time), daylight saving on/off1/100-second stopwatchMeasuring 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 timesCountdown timerMeasuring unit: 1 secondCountdown range: 24 hoursCountdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)5 daily alarmsHourly time signalDouble LED lightLED 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)LED: WhiteFull auto-calendar (to year 2099)Button operation tone on/offAccuracy: ±15 seconds per month12/24-hour formatHand 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