GBX100S-1D GM-S2100 battery operating time: 5 months

battery operating time: 5 months on rechargeable battery (operation period with normal use without exposure to light after charge) 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

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

which is the thinnest among G-SHOCK combination models

The case is made of high-rigidity carbon material to protect against damage and deformation due to impact and other rough treatment

GBX100S-1D GM-S2100 battery operating time: 5 monthsInspired by the summer surf scene, the bezel is made with two different materials to evoke the look of shimmering waves gleaming in the sunlight. The bezel top, in stainless steel with mirror finished beveled edges, contrasts subtly with the glossy translucence of the resin bezel base. The band is made of bio based urethane and has a slit for a better fit and water and sweat runoff. Key resin components used in the band are made with bio based resin,