Automatic mechanical movement, Calibre 04 with automatic winding and hacking seconds. Silver-tone stainless steel case measuring approximately 44mm in diameter by 16.9mm thick. Features a bi-directional rotating bezel also finished in silver-tone stainless steel. The analog dial is crafted from polished stainless steel, set with luminous-coated hands and stick hour markers. Includes minute markers around the outer rim along with a dedicated GMT scale. A tachymeter function is incorporated on the bracelet side of the case edge. Date display located between 4 and 5 o'clock. Chronograph functions controlled by pushers: three sub-dials show elapsed seconds (60 minutes), minutes (30 minutes) and hours (12 hours). Scratch resistant sapphire crystal face. Screw-locked winding/crown secured with a screw cap. Solid case back available for viewing the movement. Fold over clasp bracelet in polished stainless steel includes safety release mechanism. Water resistant to 200 meters / 660 feet, suitable for recreational diving. Swiss Made label indicates origin and quality. Includes analog sub-dials displaying: chronograph seconds, minutes, hours, date, GMT time zone.