This C1 Big Date is presented in a 44 mm stainless steel case with a thickness of 12.95 mm and set with 40 diamonds. A metal protective ring coated in white rubber and fixed laterally by 7 self-blocking screws is enhanced by eight decorative elements straddling the bezel. These bastions protect a spectacular 3.30 mm thick sapphire crystal, which literally emerges from the case and displays a silver and white guilloché dial set with 10 diamond indexes. This timepiece, holding a mechanical, self-winding La Joux-Perret movement with a 44-hour power reserve, is certified by the official Swiss Chronometer Testing Institute (COSC). It is presented on a white rubber strap with a stainless steel folding clasp and is Waterresistant to a pressure of 20 ATM.