G-SHOCK GL-220 Module No. 2836 Working properly Button press sound and alarm sound. Backlight illuminates. Belt has scratches (see photo 6). Functions: ・Tide graph ・Moon age ・Timer ・5 alarms, 1 with snooze ・Signal (hourly chime) ・EL backlight (see photos 11, 12) 　Auto EL available (lights up when you tilt your wrist) ・Stopwatch with split ・Dual time ・12/24h display switch No box No instruction manual Instruction manual available on Casio HP Module No. 2836 Clear red camouflage #Used #Rare #Fishing #Surfing ※No reproduction allowed