40 hours power reserve. Manual winding only, NOT automatic. No battery needed. – 316L Stainless Steel Case & Solid Construction: 42mm 316L stainless steel case with protective crown guards. Scratch-resistant sapphire glass ensures long-lasting dial clarity.
Men’s Genuine Flying Tourbillon Watch, Manual Winding Only, 42mm 316L Steel
40 hours power reserve. Manual winding only, NOT automatic. No battery needed. – 5ATM Water Resistance & Daily Care: 5ATM (50M) water resistance protects against splashes, rain and hand washing. NOT suitable for swimming, showering or diving.