Q4138431
- Model
- Master Control Chronograph Calendar
- Case material
- Stainless Steel
- Case size
- 40mm
- Movement
- Automatic
- Calibre
- 759
- Dial colours
- Silver / White
- Market value band
- $6k – $45k
Q4138431 is a Jaeger-LeCoultre Master Control Chronograph Calendar reference.
The case is 40mm stainless steel.
It runs the 759, an automatic movement.
Catalogued dial colour: silver / white.
2026-08-24 re-verify: re-fetched this exact URL; full spec panel confirms. Silvered grey sunray-brushed dial, delivered with a light-brown calfskin strap plus an additional black alligator strap. Bi-compax chronograph + triple calendar + moon phase; power reserve 65 hours.
Before you ask.
What movement does the Jaeger-LeCoultre Q4138431 use?
The Jaeger-LeCoultre Q4138431 runs the 759, an automatic movement.
How do I check a Jaeger-LeCoultre Q4138431 with Watch Safe?
Look up the watch's serial number in the Watch Safe registry to see whether a record exists or a theft flag is attached. A registry search identifies records for a specific serial; it does not authenticate the watch. Authentication is performed in person by an independent expert authenticator, and Watch Safe records and publishes the result.
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