Casio Vintage, AQ-230A-7DMQYES. Case size (L× W× H)38.8 × 29.8 × 8.1 mmWeight47 gCase and bezel materialResin / Chrome platedBandStainless Steel BandAdjustable ClaspWater resistanceWater ResistantPower supply and battery lifeApprox. battery life: 3 years on SR920W
 
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