It evokes the steel and engineering of fighter jets

it features a 180m water resistance rating and an internal rotating bezel ideal for underwater use

the piece features a complimenting dark grey dial

The Military Navigator Pilot's Quartz now uses a Sapphire Crystal

The watch is water-resistant up to 10 ATM

Casio G-Shock Men's Grey Watch Case Length_50mm It evokes the steel andBuilding on the iconic 2100 octagonal shape is the new GM S2100 series, which are slim mid sized G SHOCKs with a simple yet bold design. Only the lettering at the top and bottom are engraved, for a stylish edge, and the dial, flattened for slimness, is treated with ion plating colour and mirrored indexes to add depth and tone. Still 200M water resistant with functions such as World Time, Stopwatch and a Timer. WATER RESISTANT: 200 Metres Water