Bathyscaphe
N05000O001030NB52A
Model number: 5000 0130 B52A. Fifty Fathoms Bathyscaphe, automatic, Caliber 1315 with silicon balance‑spring, 120‑hour power reserve; black sunburst dial; hand‑finished satin‑brushed black ceramic case, 43.6 mm; unidirectional satin‑brushed black ceramic bezel with Liquidmetal® hour-markers; water resistance to 300 metres; date display between 4 and 5 o’clock; sapphire case‑back; black sail-canvas strap with titanium pin buckle.