Jaeger-LeCoultreMaster Control Geographic
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The Jaeger-LeCoultre Master Control Geographic (Q4128420) features a 40mm stainless steel case with a silver dial and exhibition caseback. This automatic wristwatch displays hours, minutes, seconds, date, GMT/world time, 24-hour indicator and power reserve. The watch is mounted on a brown leather strap secured by a stainless steel deployant buckle. Water resistant to 50m.
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Details
Watch Details
- Reference Number:
- Q4128420
- Gender:
- Unisex
- Warranty:
- Full Manufacturer's Warranty
Case & Dial
- Case Size:
- 40mm
- Case Material:
- Stainless Steel
- Caseback:
- Exhibition
- Case Shape:
- Round
- Water Resistance:
- 50m
- Dial Color:
- Silver
- Hours Marker:
- Arabic Numerals, Index
- Crystal:
- Sapphire
- Bezel:
- Stainless Steel
Function
- Movement:
- Automatic
- Complications:
- 24-Hour Indicator, Date, Gmt/World Time, Hours And Minutes, Power Reserve Indicator, Seconds
- Reference Number:
- Q4128420
- Warranty:
- Full Manufacturer's Warranty
- Case Size:
- 40mm
Frequently Asked Questions
What is the Jaeger-LeCoultre Master 40 (ref. Q4128420)?
The Jaeger-LeCoultre Master 40 Q4128420 is a 2020 model featuring a 40mm stainless steel case, 11.1mm thickness and a silvered dial with Arabic numerals and index markers. It includes a geographic complication and is paired with an alligator leather strap and stainless steel deployant clasp. The watch is designed for elegance with a fair amount of luminescence for readability.
What are the pros and cons of the Jaeger-LeCoultre Master 40?
Pros: Elegant design suitable for dress occasions; Practical complications for travel; Good power reserve for an automatic watch. Cons: Limited water resistance at 50m.
What movement powers the Jaeger-LeCoultre Master 40 (ref. Q4128420)?
The watch features the JLC caliber 939 automatic movement with a 70-hour power reserve, unidirectional winding, and ceramic bearings for maximized winding efficiency. It has a beat rate of 8 beats per second and is free-sprung for potentially greater accuracy and resistance to shock-induced timing deviation.
What makes the Jaeger-LeCoultre Master 40 notable?
The Jaeger-LeCoultre Master 40 Q4128420 features a geographic complication that was first introduced by the brand in 1989. The movement includes ceramic bearings for more efficient winding.
Is the Jaeger-LeCoultre Master 40 water-resistant?
Yes - the Jaeger-LeCoultre Master 40 is water-resistant to 50 meters, suitable for light splashes, but swimming is not recommended.
What wrist size fits the Jaeger-LeCoultre Master 40, and does it fit under a cuff?
The Jaeger-LeCoultre Master 40 is recommended for wrists 14cm and larger. At 40mm diameter, it wears with a confident presence on the wrist.