G-Shock GM-S2100BC-1AER GM-S-Serie 40mm watch roll not as an addition but

not as an addition but as a fundamental principle

Sapphire glass and a screw-down crown make it resistant to daily use

suitable for swimming and daily rainy conditions

Water resistance: Water resistant up to 5 ATM

This version features a round 41 mm silver stainless steel case with a blue dial

G-Shock GM-S2100BC-1AER GM-S-Serie 40mm watch roll not as an addition butSince 1983, G Shock has represented shock resistance that is integrated throughout the entire construction, not as an addition but as a starting point. In the G Shock GM S Series, this comes together in a round gold 40 mm stainless steel case with a silver dial. A Casio quartz movement (calibre 5611) provides the drive. The analogue digital display keeps the reading clear. Swimming and snorkeling are no problem at all: the watch is water resistant to