AP RESERVE › ROYAL OAK MINI QUARTZ Ref. 67630OR.OO.1312OR.01-B Image 1 of 1 ROYAL OAK MINI QUARTZ Ref. 67630OR.OO.1312OR.01-B $0.00 Available Upon Request The 23 mm case in 18-carat pink gold features a glareproofed sapphire crystal. The timepiece is water resistant to 50 m. Available Upon Request Added! The 23 mm case in 18-carat pink gold features a glareproofed sapphire crystal. The timepiece is water resistant to 50 m.