Model: 150th Anniversaire 1839-1989Reference: 3969Date: Sold 20th November 1989Movement: 18-jewel Cal.215HG manual wind, freesprung Gyromax balance, adjusted to heat, cold, isochronism and 5 positions, stamped with the Seal of Geneva, No.752.754Dial: Silvered, jump hour indication at 12, black outer minute track with five minute markers, single black Breguet style handCase: Brushed and polished tonneau form, snap on back, Anniversary engraving to back, No.2864667Strap/Bracelet: Black ostrich leatherBuckle/Clasp: Signed 18K gold buckleSigned: Case, dial & movementSize: 28mm Accompaniments: Patek Philippe box, outer card, Extract from the Archives