Specifications Movement Caliber No.4R39 Power Source Mechanical, automatic winding (with manual winding) Accuracy Daily deviation: +45 seconds to –35 seconds Power Reserve Approx. 41 hours when fully wound Jewels 24 Functions 24-hour hand Seconds-stopping function Case & Band Case Material Stainless steel; Case back: Stainless steel and glass Case Dimensions Thickness: 12.5 mm Width: 41.8 mm Height: 48.4 mm Glass Material Dual-curved sapphire Clasp One-push triple-fold clasp Wrist Circumference (Max.) 205.0 mm Watch Specifications Water Resistance Water-resistant for daily use Anti-magnetic Yes Weight 82.0 g Other Features See-through screw-back Comes with a genuine SEIKO black strap "IMPORTANT" Customs and taxes: Your country of residence may apply additional customs duties and import taxes. Please check the laws of your country before bidding. We cannot be held responsible for any expenses incurred for importing items into the purchaser's country of residence. If the winning bidder decides to cancel or withdraw, they will bear all risks, shipping costs, and return import duties.