Unique Swiss Grande Complication clock watch Circa 1992

A highly exceptional and unique Swiss keyless 18 carat gold Grande Complication clock watch with petite and grande sonnerie, minute repeating, perpetual calendar, moonphases, split seconds chronograph and 24 hour indication, circa 1992. Cut bimetallic balance, two train with tandem winding, 44 jewels, stamped with the seal of Geneva, adjusted to five positions, temperature and isochronism, swan neck micrometric regulator repeating on gongs by activating a small slide to the band. White enamel dial, Roman numerals, outer minute divisions with 1/5th inner divisions, four subsidiary dials with days of the week and inner 24 hour indications, date with inner seconds, month with bissextile year indication, ages and phases of the moon with 30-minute register. Heavy gold polished case with inner cuvette crystal display for the movement, push button for the split second at 11 with its safety lock device, slide for the minute repeater at 5, strike/silent function at 8 and petite/grande sonnerie at 4. Case, dial and movement signed.
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