Thomas Engel / Zenith. A fine and highly attractive 18K gold openface keyless lever watch with moon phases, bow winding and setting mechanism, original certificate, bulletin, spare parts and box

Thomas Engel / Zenith. A fine and highly attractive 18K gold openface keyless lever watch with moon phases, bow winding and setting mechanism, original certificate, bulletin, spare parts and box
Signed Thomas Engel, Zenith, ‘Chronometre’, No. 19, movement no. 5’537’839, circa 1983
Movement: cal. 68, ‘chronometre’, manual, 17 jewels, signed Zenith
Dial: signed Thomas Engel and Zenith
Case: winding and setting mechanism operated by twisting the bow, glazed dust cover, screw back, 50.6 mm. diam., signed Zenith
With: original Zenith Certificate dated 2 May 1983, C.O.S.C Bulletin de Marche, instructions, numbered mahogany presentation box containing a spare spring and spare gold Breguet hands