Fifty Fathoms Automatique
N05010O12B040NO64B
Model number: 5010 12B40 O64B. Fifty Fathoms Automatique, automatic, Calibre 1315 with silicon balance spring, secured movement, 120‑hour (5‑day) power reserve; blue sunburst dial with date display; 42.3 mm satin‑brushed Grade 23 titanium case, 14.3 mm thick; unidirectional sapphire-topped bezel; water resistance to 30 bar (300 m); sapphire exhibition back; sporty blue rubber strap with folding clasp