Jaeger LeCoultre Q163842A Master Grand Reveil Perpetual Calendar SS (32620)

32620 Jaeger LeCoultre Q163842a Master Grand Reveil 163.84.2a 163842a, stainless steel on a strap with a stainless steel folding deployant buckle, automatic Jaeger LeCoultre caliber 909/1-440C movement, silver dial with applied hour markers and luminous dots, perpetual calendar with day, date, month, 4 digit year display, 24-hour indicator and northern and southern moon phases, dual function alarm can be set to ring or vibrate (controled by the switch located on the left side), alarm indicator between 10 and 11 o'clock, centered sweep seconds Hand, sapphire crystal, water resistant to 5 atm, diameter: 43mm, thickness: 16mm, Like New with Box and Papers; dated December 2010. This watch was fully serviced by JLC in April 2013.


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More about Jaeger LeCoultre Q163842A Master Grand Reveil Perpetual Calendar SS

This is a stainless steel Jaeger LeCoultre Master Grand Reveil 163.84.2A. It has a leather strap with a stainless steel deployant buckle, and a scratch resistant sapphire crystal. The 43mm diameter solid two-body case, inclined bezel, downturned lugs and solid case back secured with four screws are polished. The crown that sets the alarm is at 2 o'clock, while the winding and time setting crown is at the 4 o'clock position. A switch that's located on the band between 9 and 10 o'clock controls the alarm ring/vibrate indicator; the alarm indicator is between 10 and 11 o'clock on the dial. There is a 24-hour subsidiary dial with night/day and moon phases of both northern and southern hemispheres at 6 o'clock, and a day-of-the-week dial is at 3 o'clock. The day-of-the-month dial is at 9 o'clock, and a dial with the months and a double aperture window for the year are at 12. The dial is silver with applied dart index hour markers and luminescent dots on an outer minute/second/alarm track. There are steel alpha hands, a center red-tipped alarm hand, and a center sweep second hand. It's water resistant to 50 meters/165 feet, with a 45-hour power reserve, and the 16mm thick case, dial, and mechanism are signed.

This Jaeger LeCoultre Master Grand Reveil 163.84.2A has a mechanical automatic self-winding Jaeger LeCoultre caliber 909/1-440C movement. It's rhodium-plated, with fausses cotes embellishment, and it's constructed with 36 jewels, 363 components, and a single barrel. It has a shock absorber mechanism, a straight-line lever escapement, a monometallic balance that's adjusted to 4 positions, and a self-compensating flat balance spring. It operates at a frequency of 28,800 vph (4 Hz).

The Jaeger LeCoultre Master Grand Reveil 163.84.2A was introduced in the 2000's. Jaeger LeCoultre debuted their first Master Control watches in 1992. They passed a six-week, 1000-hour series of tests that became the benchmark examination for all JLC timepieces. This watch combines a perpetual calendar and a mechanical alarm function that offers the choice between ring and vibrate mode, a unique split four-digit year display, and the moon phases in both hemispheres. "Reveil" was originally the French word for alarm, adopted from the morning military bugle call.