98. A stainless steel keyless wind quarter repeating open face pocket watch Chronographe de poche à cadran ouvert et répétition des quarts en acier remontoir au pendant Date: Circa 1920 Movement: Swiss lever, cut and compensated bi-metallic balance, fly ball governor, column wheel chronograph, two hammers striking on two gongs, No.260492 Dial: White Case: Round Size: 51mm