fixed 18K yellow gold bezel with engraved tachymetric scale
scratch-resistant sapphire crystal with cyclops lens over the date and double anti-reflective coating
screw-down crown and push buttons with Triplock triple waterproofness
bezel set with 40 baguette-cut diamonds
Rolex Yellow Gold Cosmograph Daytona 40 Watch - Black Index Dial - 116508 bki Motif fixed 18K yellow gold bezel40mm 18K yellow gold case, screw down back, screw down crown and push buttons with Triplock triple waterproofness, fixed 18K yellow gold bezel with engraved tachymetric scale, scratch resistant sapphire crystal, black dial, index hour markers, Rolex calibre 4130 self winding movement with chronograph central second hand, 30 minute counter at 3 o'clock, and 12 hour counter at 9 o'clock, approximately 72 hours of power reserve, 18K yellow gold Oyster