SWISS 14K CHRONOMETRE POCKET WATCH: Turler, Zurich Switzerland, serial # 82643 on works, #355119 on case. Case with internal dust cover marked Metal 355119 to inside and Chronometre.Turler.Zurich to outside, outer cover marked 14k 0.585 355119, case overall approx. 51mm., crystal approx. 42mm. Currently keeping time.