Automatic mechanical movement Tudor Calibre T201, base on ETA 2671. Equipped with 25 jewels and a frequency of 28800 vph (4Hz). Power reserve approximately 38 hours. Silver-tone stainless steel case; black leather strap. Fixed silver-tone stainless steel bezel. Silver jacquard dial featuring silver-tone hands and index hour markers, including minute markers on the outer rim. Analog dial type with date display at the 3 o'clock position. Scratch resistant sapphire crystal. Screw down winding/crown set with solid case back; round shape measuring 26 mm in diameter. Includes safety release fold over clasp. Water resistant to 100 meters (approx. 330 feet). Functions: hours, minutes, seconds, date display.