Buy the handsome grey dial Audemars Piguet Royal Oak 37 in excellent secondhand condition today. Reference 15450ST.OO.1256ST.02 features AP’s signature octagonal bezel with visible screws and a striking integrated bracelet. The example we have here also features a very desirable 38mm case with a sleek 9.8mm profile, glared-proof sapphire crystal, and waterproofness up to 50 meters. The ruthenium-toned dial is decorated with the famous Grande Tapisserie pattern, white gold-trimmed hour markers and hands, and a date mechanism at the 3-hour marker. The caliber 3120 beats at the heart of this impressive Royal Oak, boasting automatic winding technology and a 60-hour power reserve. Shop Audemars Piguet Royal Oak Collection