ULTRA-CHRON CLASSIC L2.537.4.72.6

Date, self winding mechanical movement beating at 36'000 vibrations per hour, with a monocrystalline silicon balance-spring power reserve up to 52 hours.

Water-resistant to 5 bar, scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides.

Sunray silver dial.

Stainless steel bracelet, with double security folding clasp with micro adjustment system.