Breguet Type XXI Flyback 42mm watch. Model reference: 3817ST/X2/3ZU. This luxury timepiece utilizes the best in watch technology as well as has outstanding style. The rounded 42mm case of 15.2mm thickness is performed in stainless steel and features sapphire-crystal back and the brand’s signature fluted case-band. The slate grey multi-tired dial has polished steel hands, printed minute indexes, and luminous hour markers presented by Arabic Numerals in a vintage colour. The main seconds indications are engraved on the uni-directional rotating bezel. There is a smaller seconds sub-dial at the 9 o’clock position. The day/night sub-dial is at the 3 o’clock position. The chronograph features a 12-hour counter placed at the 6 o’clock and a 30-minute counter presented bu the central large polished steel hand that makes the full circle every ½ minute. Both of the features have flyback function. Below the 12-hour counter, there is a date window. The mechanical self-winding 582 Q/2 movement has 319 components and 26 jewels. It features 48-hour power reserve. The timepiece is fitted on a brown calfskin leather strap with a deployant buckle. It is 100m water resistant.