Rolex Cosmograph Daytona Bold is the name of

Bold is the name of the game with this bracelet design

Reference/Model #15407ST

Water resistant at 20 meters / 66 feet

the Oysterflex bracelet is equipped with cushions on its inner sides and an Oysterlock safety clasp to prevent accidental opening

Reference/Model #126334-0003

Rolex Cosmograph Daytona Bold is the name ofStainless steel case with a stainless steel Rolex oyster bracelet. Fixed black monobloc cerachrom bezel showing tachymeter markings. Black dial with luminous silver tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent chromolite 18 ct white gold hands and markers. Chronograph three sub dials displaying: 60 second, 30 minute and 12 hour. Rolex calibre 4130 automatic movement, based upon Rolex 4030,