Jaeger LeCoultre Master Calendar SS Silver Dial


Jaeger LeCoultre Q4148420 Master Calendar, New model for 2020, stainless steel case on a black alligator strap with a stainless steel doiuble folding deployant buckle, automatic JLC caliber 866AA movement, 70-hour power reserve, sunrayed silver dial with applied hour markers and luminous dots, date display around the outer chapter ring with a new jumping feature in between the 15th and 16th to ensure that the hand never blocks the moonphase, day and month windows, moonphase with small seconds at 6 o'clock, display back, sapphire crystal, water resistant to 50 meters, size: 40mm, thickness: 10.95mm, Like New with JLC box and papers dated 2022.

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Stainless Steel






Like New



More about Master Calendar SS Silver Dial

This is a stainless-steel Jaeger LeCoultre Master Calendar Q4148420. A new model for 2020, it includes a leather strap with a stainless-steel folding deployment buckle and scratch resistant sapphire crystals. There is a signed push/pull winding crown and it has two correctors on the right case band and a third on the left side for adjusting the perpetual calendar. It has an exhibition sapphire display case back secured by 4 screws engraved with "JAEGER-LECOUTRE – MASTER CONTROL – SWISS MADE – 5 BAR," and a serial number. The 40mm diameter three-body solid case, flat angled bezel, and curved lugs are satin/polished. The dial is silver sunray with luminous steel dauphine hands, applied steel dart hour indices, and applied Arabic numeral hour markers at the 3, 9, and 12 o'clock positions. It has an outer black minute/second scale with luminous hour pips and around the recessed perimeter is a radial date chapter ring for the jumping date function (marked "quantieme a date sautante") that's indicated by a central hand with a red crescent indicator tip with the new jumping device between the 15th and 16th to ensure that the hand never blocks the moon phase. There are twin steel-framed aperture windows for the day and month at 12 o'clock and a large recessed combination small constant running seconds/circular color moon phase dial is at 6 o'clock. It's water resistant to 50 meters/165 feet, and it has a 45-hour power reserve at full wind. The 10.95mm thick case, dial, and movement are all signed. This Jaeger LeCoultre Master Calendar Q4148420 has a mechanical automatic self-winding Jaeger LeCoultre caliber 866A movement. It's rhodium plated with Cotes de Geneve embellishment, and it's constructed with 34 jewels, 344 components, a single barrel, and a straight-line lever escapement. It includes a monometallic balance that's adjusted to six positions, heat-blued screws, a self-compensating flat balance spring, a shock absorber system, and a hacking seconds for precision time setting. There is a 22k gold skeletonized rotor with an open worked "JLC," and the movement oscillates at a frequency of 28,800 vph. The Jaeger LeCoultre Master Calendar Q4148420 introduced in 2020 is an updated version of the "Memovox" movement. It was subjected to a six-week, 1000-hour series of Master Control tests - the benchmark examination for all JLC timepieces.

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