A rare 18k solid Y/G Gubelin "Ipso-Matic", produced in only 300 pieces for the 100 Year Jubilee of one the most Famous Swiss Jewellers "Gübelin". Heavy 18kt gold screw Back Case (engraved), diameter 35mm without Crown. Original three tones dial, amazing condition. Powered by an high grade Felsa 690 Automatic Calibre, adjusted to 2 positions. It has a dust cover inside. Overall in very good condition.