Rolex Yacht-Master series, model: 126622-0002, Blue Yacht-Master, 40mm diameter, blue dial, platinum bezel, 100-meter water resistance, screw-down crown, sapphire crystal, luminous display, date window at 3 o 'clock. • Material: Oyster steel case and strap, platinum bidirectional rotating bezel (no diving scale, exclusive for yachts); Blue sunpatterned dial, red yacht-Master logo, Mercedes-Benz hands. • Movement: 3135 automatic winding movement, 28,800 frequency, 48-hour power supply, observatory certified, with stop-seconds function. 1. Style: Luxurious sporty formal wear, distinct from the Submariner, Yacht Master focuses on nautical leisure. The platinum bezel has a high-end texture and is suitable for business, commuting and vacation. 40mm is suitable for a wrist circumference of 17-19cm. Functions: Hours, minutes, seconds, calendar, bidirectional rotating platinum bezel, 100-meter water resistance for swimming and snorkeling, not suitable for deep diving.