This C1 Big Date is presented in a black PVD-treated stainless steel case, holding a 44-hour power reserve movement and certified by the Official Swiss Chronometer Testing Institute (COSC).
The black engine-turned dial displays a large date window at 12 o’clock, the Concord seconds disk at 9 o’clock and an elevated hour-marker ring with superluminova indexes.
Movement – Self-winding mechanical COSC-certified La Joux-Perret movement.
Case – 44 mm diameter black PVD-treated stainless steel case / 12.95 mm tall.
Dial – Black engine-turned dial, elevated hour-marker ring.
Crystal – 3.3 mm sapphire crystal.
Water-resistance – 20 ATM.
Strap / Clasp – Kaki Technofiber strap with Black PVD-treated stainless steel folding clasp.