Jaeger-LeCoultre. A Stainless Steel Automatic Triple Calendar Wristwatch with Moon PhaseSigned Jaeger-LeCoultre, Master Control Calendar Model, Ref. 140.8.98S, Movement No. 3'217'643, No. 4541, Circa 2000Cal. 891/2/448 automatic movement, 36 jewels, 22k gold edged rotor, black dial, applied baton and Arabic numerals, outer date ring with central date hand, two apertures for day and month in French, subsidiary dial for phases and age of the moon combined with constant seconds, circular water-resistant-type case, sapphire crystal display back secured by four screws, stainless steel Jaeger-LeCoultre deployant clasp, case, dial, and movement signed37mm diam.