Tourneau Triple Calendar Moon Gold 18k/750, Valjoux 730/88 Product information: Manufacturer: Tourneau Model: Triple Calendar Moon Chronograph/ Full calendar moon phase chronograph Year: around 1950 Movement: Valjoux 730/88 with Moonphase Case: Gold 14k Case back: Gold 14k, screw-down Diameter: 38mm Glass: Plexiglas Condition: Very good condition Tourneau Datofix Chronograph Triple Calendar Moonphase, reference 386, circa 1950s. Watch is in running Strong, winds, time and dates set as they should. All Chronograph functions work properly and resets back to 12 o'clock position. Acrylic crystal shows scratches. Large 38mm, 14k yellow Gold case is unpolished. Case back writing is nice and crisp, reference number of 386 is clearly visible on case back. Case shows a squirrel Hallmark between the lugs. The squirrel Hallmark is also seen inside caseback. Serial number of 1199xxx is seen inside the caseback. Valjoux 88 movement is signed Tourneau and looks clean and in excellent condition. Working perfect. Ready to wear. Comes with Generic Watch Box.