Automatic mechanical movement, Calibre H-21. 60-hour power reserve. Analog display with silver-tone luminous hands and black dial featuring index hour markers and minute markers. Day of the week and date function at the 3 o'clock position. Chronograph functions including second, minute, and 12-hour sub-dials. Fixed stainless steel bezel equipped with tachymeter markings. Black dial face. Scratch-resistant sapphire crystal. Stainless steel bracelet with deployment clasp and case size matching (47mm). Round shape, case thickness 15mm, bracelet width 24mm. Water resistance up to 100 meters / 330 feet depth. Skeleton construction at the back of the case. Includes a certificate of authenticity or indication of Swiss Made.