SEIKO Solar V175 power reserve 72 hours (30 Jewels) Hack function & Hand winding Accuracy: ±15 seconds per month Drive duration:Operating for approx. 6 months (when fully charged) Chronograph:Chronograph up to 1 hour in 1/5 second increments Case: Stainless Steel / Silicone Strap / Plastic shroud Hardlex Crystal Luminous: hands Indexes Screw Down Crown Waterproof: 200 m water resistance for divers Diameter: 47.0 mm (without the crown) Thickness: 14.2 mm Weight 105g Packaging: New in box with manual