Automatic mechanical movement, Breitling Calibre 24 based on ETA 7754 with 25 jewels and a frequency of 28800 vph. Approximate power reserve: 42 hours. Analog dial displaying blue face, silver-tone hour markers, luminous coated hands, minute markers on the tachymetric scale (outer rim). Date display at the 3 o'clock position. Chronograph function with three sub-dials showing elapsed seconds (60-minute), minutes (30-minute) and hours (12-hour). GMT function enabling dual time zone indication typically via a rotatable bezel or central hand. Scratch resistant sapphire crystal lens. Uni-directional rotating bezel featuring silver-tone markers/ticks (likely indicating the secondary timezone hour). Screw-down winding/crown at approximately 4 o'clock, providing water resistance to depths up to 300 meters. Silver-tone stainless steel case in round shape measuring 45 mm diameter and 16.4 mm thickness. Accommodated on a blue calfskin leather strap fitted with a silver-tone stainless steel tang buckle clasp. Swiss Made label designation.
