The Audemars Piguet Royal Oak Selfwinding 15451OR.ZZ.1256OR.03 The humble 37mm case size balances the striking diamond-set bezel. The rose gold dial hosts a Grande Tapisserie pattern and date window at 3 o'clock. Luminescent rose gold hand and hour markers work with the Sapphire glare-proofed crystal for optimal legibility in any condition. An exhibition case back gives a glimpse at the Calibre 3120 in action. This piece is styled on a rose gold bracelet with the AP folding clasp.