Important Modern & Vintage Timepieces

Geneva, Nov 08, 2014

LOT 150

VACHERON & CONSTANTIN - MINUTE REPEATER & PERPETUAL CALENDAR Vacheron & Constantin, Genève, "Chronomètre Répétition à Minutes Quantième Perpetuél", movement No. 317999, case No. 192729. Completed on February 19, 1902, sold on September 29, 1903. Very fine and extremely rare 18K yellow gold, hunting-cased, keyless minute-repeating pocket lever Chronometer with perpetual calendar, phases and age of the moon. Accompanied by the original Vacheron & Constantin fitted box, spare crystal and a document confirming the date of manufacture and subsequent sale.

Four-body, bassine, polished, the front cover with an engraved foliate monogram "L J". Hinged gold cuvette engraved with the technical details. White enamel with Arabic numerals, outer minute track, subsidiary dials for the days of the week, the months of the leap year cycle, the date and the seconds with inner moon phase aperture and lunar age sector. Yellow gold spade hands. Cal.19''' Adjusted, rhodium plated, 23 jewels, counterpoised straight line lever escapement, cut bimetallic balance with temperature and meantime adjustment screws, blued steel Breguet balance spring, swan-neck micrometer regulator, repeating on gongs activated by a slide on the band.