EFV-640D-1AMake a dynamic, bold statement a classic EDIFICE sports chronograph with an octagonal bezel in a solid, strong design. Case size (L W H) 47 44. 3 10. 8 mm Weight 136 g Case and bezel material Stainless steel Band Stainless Steel Band One touch 3 fold Clasp Water resistance 100 meter water resistance Power supply and battery life Approx. battery life: 2 years on SR920SW Exterior Glass Mineral Glass Compatible band size 150 to 205 mm Watch Features

Strap Fashion Color: Stainless Steel

Battery Type: No Battery

Warranty Time Period: 24 Months

Case Size: 32MM

split time Others: Speed (0 to 1998 units/hour)

The Frogman is the nickname for combat divers

battery type Renata 394

Countdown start time setting range: 1 to 60 minutes (1-minute increments)

The brand colors of this new model capture the very essence of the G-SHOCK spirit of toughness

Use the cadence alerts to know when you’ve gone outside your target cadence range

EL:Blue Green

mature design