Name: BOY FRIEND Watch Reference: H4472 Collection: BOY FRIEND Materials: White gold Diamonds Alligator Case: 18K white gold case Dial: Opaline guilloche dial, seconds indicator Bezel: 18K white gold bezel set with 66 brilliant-cut diamonds (~0.92 carat) Strap: Black alligator strap and 18K white gold ardillon buckle set with 48 brilliant-cut diamonds (~0.28 carat) Crown: 18K white gold crown and onyx cabochon Movement: Mechanical with manual winding 42 hour power reserve Water-resistance: All our watches are water resistant but not waterproof; we do not recommend swimming with them or taking showers with them. Taking the watches underwater will revoke their guarantee.