Casio G-Shock x GM-2100 Series ft. Streamlined aka Shock Construction Men Sports Hexagon 200m Water Resistant Watch GM-2100M-1A GM2100M GM2100 GM-2100 GM-2100M Discover the G-Shock GM-2100BM/M series, a monochromatic watch with an iconic octagonal metal bezel showcasing its shock-resistant core. This streamlined, industrial design blends analog-digital readability with G-Shock legendary durability for modern style. Module / Movement 5611 (quartz) Battery Life / Accuracy Approximately 3 years (+/-15 seconds per month) Crystal Mineral crystal Light Double LED light (super illuminator, selectable illumination duration, afterglow) Case / Band Material Resin / stainless steel case with bio-based resin band Water Resistance 200m / 20 bar Case Size Thickness: 11.8 mm Diameter: 44.4 mm Length: 49.3 mm Lug width: Integrated Other Specifications Casio G-Shock x GM-2100 Series ft. Streamlined aka Shock Construction Shock resistant World time (31 time zones, daylight saving on/off) 1/100-second stopwatch (up to 24 hours, elapsed time, split time) 1-second countdown timer (up to 24 hours) 5 daily alarms Hourly time signal Full auto-calendar (to year 2099) Button operation tone on/off 12/24-hour format Hand shift feature (hands move to provide an unobstructed view of digital display content) Regular timekeeping (analog-digital display)
