Jaeger-LeCoultre - Q4138431 Master Control Chronograph Calendar Stainless Steel / Silver
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Brand: | Jaeger-LeCoultre |
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Family: | Master Control |
Reference: | Q4138431 (aka: 4138431) |
Name: | Master Control Chronograph Calendar Stainless Steel / Silver |
Movement: |
Jaeger-LeCoultre caliber 759
Hours, Minutes | Date, Day, Month | Chronograph, Column wheel | Moonphase
|
Produced: | 2025 |
Limited: | No |
Case
Material: | Stainless Steel |
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Glass: | Sapphire |
Back: | Open |
Shape: | Round |
Diameter: | 40.00 mm |
Height: | 12.05 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 Q4138431 description
The Jaeger-LeCoultre Master Control Chronograph Calendar Q4138431 debuted in 2025. This watch pairs a triple calendar with chronograph functionality in a stainless steel case measuring 40 mm in diameter and approximately 12.05 mm in height. The silvered sunray-brushed dial displays the date via a pointer, with apertures for the day and month below 12 o’clock, and a moon phase at 6. A pulsometer scale encircles the dial periphery.
Inside ticks the automatic caliber 759, which is visible through the sapphire case back. This in-house movement features a column-wheel chronograph mechanism, calendar, and moon phase, with a power reserve of 65 hours. The watch is delivered on a light brown calfskin strap and is supplied with an additional black alligator leather strap.