Oyster monobloc middle case, Replica Watches UK screw-down caseback and winding crown) made of Rolesium combination of 904L stainless steel superalloy and 950 platinum Rolex Replica polished finish; diameter = 40 mm hublot big bang replica bidirectional rotating bezel made of 950 platinum, sand-blasted finish, polished raised graduations; screw-down crown with crown guard and Triplock triple water-proofing system; scratch-resistant sapphire crystal with