G Shock Black Ionic Octagonal Watch - GA-2100CA-8A GBD-100 Series battery operating time: 11 months

battery operating time: 11 months on rechargeable battery (operation period with normal use without exposure to light after charge) 27 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

9) Mach indicator (speed exceeding 1225 units/hour)

World time: Dual time

Hourly strikes follow the hour chime

29 time zones (48 cities + UTC)

G Shock Black Ionic Octagonal Watch - GA-2100CA-8A GBD-100 Series battery operating time: 11 monthsG Shock Casio Watch Analogue Digital, GA 2100 Series Mens Watch A watch that goes with you all the way from the wild outdoors to the inner city, in just right colours that fit in anywhere. Featuring an original G SHOCK camouflage motif on the dial. Basic Information Case size (L W H): 48. 5 45. 4 11. 8 mm Weight: 51 g Case and bezel material: Case bezel material: Resin Band: Resin Band Construction: Shock Resistant, Carbon Core Guard structure Water