Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : With boxes and all papers; Model: Marine Price on request Gmtbroker Reference: 5857ST/12/5ZU this watch features: - polished stainless steel case with breguet's signature coined edges. - beautiful hand engraved (engine-turned) guilloche silver dial with a fine sunburst wave pattern. - applied blued steel roman numeral hour markers to a matte silver chapter ring. - gold colored painted minute dots on outer rim of the dial. - blue steel hands with a luminous dot on the minutes & hours hands. - dual time complication: *second time-zone sub-dial located at the 6 o'clock position with fine painted florale style arabic numeral hour markers & dot minute track. *am/pm sub-dial indicator located at the 3 o'clock position with a sunburst guilloche texture for 6am until 6pm (18 o'clock) & a linear wave guilloche texture for night time 6pm until 6am. . - date window located at the 6 o'clock position. - breguet caliber 517f, beats at 28,800 vph, contains 28 jewels & has an approximate power reserve of 65 hours. with flat silicon balance spring. this watch is also known as 5857st125zu, breguet 5857st/12/5zu