Jaeger-LeCoultre - Q4148421 Master Control Calendar Stainless Steel / Silver
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Brand: | Jaeger-LeCoultre |
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Family: | Master Control |
Reference: | Q4148421 (aka: 4148421) |
Name: | Master Control Calendar Stainless Steel / Silver |
Movement: |
Jaeger-LeCoultre caliber 866AA
Hours, Minutes, Small Seconds | Date, Day, Month | Moonphase
|
Produced: | 2025 |
Limited: | No |
Case
Material: | Stainless Steel |
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Glass: | Sapphire |
Back: | Open |
Shape: | Round |
Diameter: | 40.00 mm |
Height: | 10.95 mm |
Lug Width: | 20.00 mm |
W/R: | 50.00 m |
Dial
Color: | Silver |
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Finish: | Sunburst |
Indexes: | Mixed |
Hands: | Dauphine |

Price in euro
Jaeger-LeCoultre Q4148421 description
The Jaeger-LeCoultre Master Control Calendar Q4148421 debuted in 2025. It features a stainless steel case measuring 40mm in diameter and 10.95mm in height, paired with a silvered grey sunray dial and dauphine-style hands. The calendar layout includes day and month apertures below 12 o’clock, a central date hand with a jumping mechanism that skips the 16th to avoid obscuring the moon phase aperture at 6 o’clock.
This watch is powered by the automatic 866AA, which offers hours, minutes, moon phase, full calendar, and central date with jumping hand. It has a power reserve of 70 hours and beats at a frequency of 28,800 vph. The movement is visible through a sapphire crystal case back. The watch is delivered with a light brown calfskin strap and an additional black alligator leather strap, both equipped with a stainless steel folding clasp.