Casio Retro Unisexs Metal Strap Gold Digital Watch CRW 001G 9DR Color:Gold 10 months on rechargeable Color:Pink 10 months on rechargeable battery (operation period with normal use without exposure to light after charge) professional stainless steel bracelet Watch Features World time Dual time Stopwatch 1 100 second stopwatch Measuring capacity: 00'00''00~59'59''99 Alarm hourly time signal Time flash (daily and every hour on the hour) * The Time Flash light may not be visible when ambient lighting is bright 2 mm Weight 16 g Case and bezel material Stainless steel Water resistance Water Resistant Power supply and battery life Approx