SPECIFICATIONS Case: 316L Stainless, amalgamated w/1972 F-4 Phantom Air Fighter Military DNA Movement: Citizen Miyota 2035 Crystal: Hardened mineral crystal with Diamondfx coating Case Size: 46mm Strap/Bracelet: Leather, 24mm bandwidth Water Resistance: 50M Certificate of authenticity included DETAILS The hardened mineral crystal with Diamondfx coating features 18 layers of UV blocking protection and a scratch resistant diamond/sapphire finish.