Jaeger LeCoultre Q1558421 Master Calendar Metorite Dial SS / Leather (25248)
25248 Jaeger LeCoultre Q1558421 Master Calendar Meteorite Dial, 155.84.21, 1558421, stainless steel case on a strap with a steel deployant buckle, automatic movement (JLC Caliber 866), ruthenium meteorite dial, date, day and month, moonphase, small second, display back, sapphire crystal, water resistant to 5 atm, size: 39 mm, thickness: 10.6 mm, Unworn with Box and Papers, dated 3/2017.$8,800 (On Hold)
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More about Jaeger LeCoultre Q1558421 Master Calendar Metorite Dial SS / Leather
This is a stainless steel Jaeger LeCoultre Master Calendar Meteorite Dial, Q1558421. It has an alligator leather strap with a stainless steel deployant buckle, and a scratch resistant sapphire crystal. It has an exhibition sapphire display case back secured with 4 screws. The 39mm diameter solid two-body case, downturned lugs, and buckle are polished. The dial is Ruthenium Meteorite, with applied steel Arabic numeral hour markers at 3, 9, and 12, steel dauphine hands with Superluminova inserts, and faceted steel dart index markers. It has an Arabic numeral date scale around the outermost rim, indicated by a center date hand with a red half-moon pointer. There are day and month aperture windows at the 12 o'clock position, and the moon phase subsidiary dial is combined with the constant seconds at 6 o'clock. It's water resistant to 50 meters/165 feet, and there is a 43-hour power reserve at full wind. The 10.6mm thick case, dial, and movement are all signed.
The mechanical automatic Jaeger Le Coultre caliber 866 movement is rhodium-plated, with fausses cotes embellishment. It's constructed with 32 jewels, 305 components, and a shock absorber mechanism. It includes a straight-line lever escapement, and a monometallic balance that's adjusted for temperature and 5 positions. There is a self- compensating flat balance spring, a rose gold insert in the oscillating weight, and a hacking seconds mechanism. The mechanism oscillates at a frequency of 28,800 vph (4 Hz).
This dial is made from a meteorite stone found in Sweden, and originally from the Asteroid Belt - between the orbits of Mars and Jupiter. As with all JLC watches, this watch underwent a rigorous thousand-hour test before being released from the factory. This watch made its debut at SIHH in 2015.