Model Tudor Royal Automatic Diamond Watch m28300-0005, featuring a 316L steel case and bracelet with fixed 316L bezel. Mother of pearl dial accented by luminous silver-tone hands and diamond hour markers Roman numerals at the 3, 6, 9 and 12 o'clock positions Minute markers adorn the outer rim Analog display includes luminescent hands Date function via small aperture at 3 o'clock Tudor calibre T201 automatic movement based on ETA 2671 with 25 jewels operating frequency of 28800 vph Approximate power reserve: 38 hours Scratch resistant sapphire crystal Screw down crown for enhanced water resistance Solid case back Round shape measuring 28 mm Fold over clasp Water resistant to 100 meters / 330 feet Functions include date, hour, minute, second classification as Royal Series Dress watch style Swiss Made label