Go metal-clad in all black with a G-SHOCK that says strong, steely, and stylish.

The metal bezel, finished in black ion plating, makes a chic, stylish statement about your design sense.

Opt for the GM-2100 with the popular octagonal bezel or the GM-110 with its oversized round case.

• Case / bezel material: Resin / Stainless steel
• Resin Band
• Mineral Glass
• Neobrite
• Magnetic Resistant
• Shock Resistant
• Black ion plated bezel
• 200-meter water resistance
• LED light (Super Illuminator)
• Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow
• LED:White
• World time
• 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
• 1/100-second stopwatch
• Measuring capacity: 999:59'59.99''
• Measuring modes: Elapsed time, split time, 1st-2nd place times
• Countdown timer
• Measuring unit: 1 second
• Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
• 5 daily alarms (with 1 snooze alarm)
• Hourly time signal
• Full auto-calendar (to year 2099)
• 12/24-hour format
• Button operation tone on/off
• Regular timekeeping:
• Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (stopwatch indicator)
• Digital: Hour, minute, second, pm, month, date, day
• Accuracy: Ç?Çî¶ôǏ15 seconds per month
• Approx. battery life: 3 years on SR927W X 2
• Size of case : 51.9 _ 48.8 _ 16.9 mm
• Total weight : 93 g