Seiko Women Silver Stainless Steel Strap Watch SRE004K1 crystal battery operating time: 7 months DK113902 5 battery operating time: 7 months on rechargeable battery (operation period with normal use without exposure to light after charge) 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) Accuracy Accuracy: ±15 seconds per month (with no mobile link function) Other features Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents 1 mm Weight 65 g Case and bezel material Bio based Carbon Bio based resin Band Bio based resin band Construction Shock Resistant Carbon Core Guard structure Water resistance 200 meter water resistance Power supply and battery life Approx The watch is fitted with a stainless steel metal strap in gold and silver tones This analogue watch is water resistant up to 100 metres and originates from Japan