BREGUET | MARINE GMT Dual Time Ref. 5857ST, Steel 42 mm. | Box and Papers, 2017
BREGUET | MARINE GMT Dual Time Ref. 5857ST, Steel 42 mm. | Box and Papers, 2017
Self-winding mechanical movement Caliber 517F with 65 hours power reserve, 28 jewels and 28,800 vibrations/hour. Flat silicon balance spring.
Functions: hours, minutes, central seconds, second time zone and date at 6 o'clock, 24h counter at 2 o'clock.
Steel case with a diameter of 42 mm. with fluted caseband.
Silvered dial with hand-engraved guilloché "wave" pattern, hour circle with Roman numerals applied on a matte silver ring. Breguet hollow apple-tipped hands, blued and treated with luminescent material, central seconds. Second time zone at six o'clock with Arabic numerals in a "floral" style. Date window at 6 o'clock. AM/PM indicator at two o'clock with "sunburst" guilloché decoration from 6 AM to 6 PM and "wave" pattern for night from 6 PM to 6 AM.
Steel case back secured by 6 screws with sapphire crystal exhibition movement.
Original Breguet black rubber strap with original steel deployant clasp.
Ref: 5857ST/12/5ZU | 5857ST | 5857
YEAR: 2017
CONDITIONS: EXCELLENT
ORIGINAL BOX: Present
ORIGINAL WARRANTY: Present
REVIEW: Performed in our laboratory