Tudor Royal

Technical Data
Case: 28 mm steel case with polished and satin finish
Waterproofness: Waterproof to 100 m (330 ft)
Bezel: Notched bezel in 18 ct yellow gold, alternating cut grooves and polished finish
Dial: Black, sunray-finish, Applied Roman numerals, Date at 3 o'clock
Crystal: Sapphire crystal
Movement: Self-winding mechanical movement
Power Reserve: Power reserve of approximately 38 hours
Winding Crown: Yellow gold screw-down winding crown with the TUDOR logo
Bracelet: Integrated bracelet in 316L steel and 18 ct yellow gold, 5 rows, satin-brushed external and central links, polished intermediate links, with folding clasp and safety catch

Reference
M28303-0003