44. A silver regulator style chronograph keyless wind open face pocket watch Chronographe de poche type régulat à cadran ouvert en argent (800) remontoir au pendant Date: Circa 1910 Movement: Three quater plate gilt, swiss lever escapement Dial: White enamel, outer Arabic track for chronograph seconds, subsidiary dials for time and minute register Case: Back engine turned with central monogramed cartouche, chronogaph start stop reset in band, no.18518 Size: 50mm Weight: 102,80g