
	Marine 5857 5857BR/Z2/5ZU Description Marine GMT wristwatch in 18-carat rose gold. Self-winding movement. Second time-zone, 24-hour and date indications. Balance spring in silicon. Silvered gold and black rhodium dial, hand-engraved on a rose engine. Sapphire caseback. Water-resistant to 10 bar ( 100 m ). Available in steel with a silvered gold dial. Diameter : 42 mm.
Technical specifications
Mouvement Winding Self-winding Power reserve (hours) 72 Calibre 517F Lines 13¾ Jewels 28 Frequency 4 Balance-wheel Breguet Escapement Inverted straight-line lever Balance-spring Flat / Silicon	Case Metal Rose gold Skeleton No Sapphire caseback Yes Case shape Round Case height (mm) 42 Case thickness (mm) 12,25 Water-resistant (m) 100 Straps 5ZU
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