23. Omega. A stainless steel keyless wind open face chronograph pocket watch Omega. Chronographe de poche à cadran ouvert en acier remontoir au pendant Date: Circa 1935 Movement: Swiss lever, cut and compensated bi-metallic balance, column wheel chronograph, No.8687884 Dial: White, signed Case: Round, No.9573586 Signed: Case, dial & movement Size: 52mm