Turn heads and grab attention with a rugged timepiece boasting a bold, eye-catching black and yellow colour scheme. Tough, yet stylish designs feature basic black, accented with touches of the bright yellow used for emergency rescues and safety signs. A cool, versatile look that complements both casual and work styles. Choose from five models: the GA-B001 with Bluetooth® connectivity; the GW-B5600 with Bluetooth® connectivity plus radio control; the GA-B2100 with Bluetooth® connectivity and solar charging; the large case GA-100; or the GA-700 with front button design. SPECIFICATIONSConstruction: Shock Resistant, Magnetic ResistantPower Supply And Battery Life: Approx. battery life: 2 years on CR1220Light Color: AmberAccuracy: ±15 seconds per month SIZE & MATERIALSBand Type: Resin BandCase And Bezel Material: ResinSize: 55 × 51.2 × 16.9 mmColour: BlackGlass: Mineral GlassWeight: 72 g FEATURESWater Resistance: 200 MWorld Time: 29 time zones (48 cities + coordinated universal time)Daylight saving on/offHome city/World time city swapping Timer:Countdown timerMeasuring unit: 1 secondCountdown range: 24 hoursCountdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Other: Auto-repeat Light:LED lightAuto light switchSelectable illumination duration (1.5 seconds or 3 seconds)Afterglow Calendar: Full auto-calendar (to year 2099)Stopwatch:1/1000-second stopwatchMeasuring capacity: 99:59'59.999''Measuring modes: Elapsed time, lap time, split timeOthers: Speed (0 to 1998 units/hour), Distance input (0.0 to 99.9) Mach indicator (speed exceeding 1225 units/hour) Alarm/Hourly Time Signal: Hourly Time Signal, 5 daily alarms (with 1 snooze alarm) Other Features:12/24-hour formatRegular timekeeping:Analogue: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (speed)Digital: Hour, minute, second, pm, month, date, day Warranty: 2 Year International Manufacturer's Warranty