CASIO G-SHOCK Metal Black Octagon GM-S2100B-8AJF Men's Watch

Manufacturer: CASIO G-SHOCK
Product name: GM-S2100B-8AJF　
JAN code: 4549526306990　
Body size (height x width x depth): 45.9 x 40.4 x 11.0　
Body weight: 55
Band: 145-200/22.8
Watch module NO(1): 5663
Spec 1: 20 ATM waterproof
Spec 2: Shockproof structure
Spec 3: High brightness LED light