Breguet Type 20 Chronographe 2057

Breguet's Type 20 Chronographe 2057, reference 2057ST/92/3WU, has a 42 mm steel case. The case measures 14.1 mm thick, with lugs set 21 mm apart. It houses the self-winding calibre 7281, which runs at 60 hours of power reserve, under a sapphire crystal that also covers a sapphire display back. The black dial carries luminous hands and luminous numerals for legibility in low light, along with a date aperture. As a chronograph, it adds a flyback function and a small seconds display alongside the running seconds. A black calfskin strap closes on a steel pin buckle. Breguet rates the case to 100 metres of water resistance.