A FINE LIMITED EDITION PLATINUM AUTOMATIC PERPETUAL CALENDAR CENTER SECONDS WRISTWATCH WITH MOON PHASES AND TWO-DIGIT YEAR INDICATION, Jaeger-LeCoultre, "MASTER PERPETUAL", NO. 143/250, CIRCA 2000

rhodium plated lever movement with Cotes de Geneve decoration, 50 jewels, mono-metallic balance, adjusted to 6 positions, platinum-edged rotor, blue dial with white gold faceted triangular markers, three subsidiary guilloche sunk dials indicating date, month with 2-digit year display, day of the week and sector for moon phases combined with lunar calendar indication, small fan form aperture for time adjustment safety, outer minute ring, central sweep seconds, skeletonised white gold Dauphine hands, heavy polished circular case and bezel, water-resistant type screwed-down sapphire crystal cuvette with hinged case back to reveal the movement, case, dial and movement signed, with a platinum Jaeger-LeCoultre deployant clasp. 

The present example being offered at auction is numbered 143 and it was produced in a limited series of only 250 pieces.