Breguet Marine 5517

Breguet's Marine 5517, reference 5517TI/G2/9ZU, has a 40 mm titanium case. The case measures 11.5 mm thick, with lugs set 22 mm apart. A self-winding calibre 777A runs the watch, with 55 hours of power reserve and a sapphire crystal on both the dial and caseback. The slate dial carries a central seconds hand and a date aperture at 3 o'clock, with luminous hands for legibility in low light. Screw-down crown construction protects the movement, echoed by wave decoration around it. An alligator leather strap closes with a titanium folding clasp. The case holds its rating to 100 metres.