Jaeger-LeCoultre Master Ultra Thin Master Ultra Thin Réserve de Marche Stainless Steel / Silver / Alligator
Reference 1378420
About this watch
The Jaeger-LeCoultre Master Ultra Thin Réserve de Marche is a masterpiece of horological art, showcasing precision and elegance in its round 39mm case with a height of just 9.9mm. The stainless steel case exudes a sophisticated shine, while the sunburst finish on the silver dial adds depth and character. A gem-set bezel adds a touch of extravagance without overpowering the simplicity of the design. The Jaeger-LeCoultre caliber 938 mechanical automatic winding movement is a marvel of engineering, boasting 273 parts and 41 jewels, with a frequency of 28,800 vibrations per hour. This watch provides a wealth of information with indications for hours, minutes, small seconds, date, and power reserve indicator. Its slim profile and lightweight feel make it comfortable for all-day use. With a water resistance of up to 50 meters, you can wear it confidently while washing your hands or caught in the rain.
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Key Features
- 39mm round stainless steel case
- 9.9mm height for ultimate wearability
- Jaeger-LeCoultre caliber 938 mechanical automatic winding movement
- Sapphire glass for scratch resistance
- 43-hour power reserve indicator
- Water resistance up to 50 meters
- Gem-set bezel for a touch of luxury
Specifications
- Brand
- Jaeger-LeCoultre
- Family
- Master Ultra Thin
- Model
- Master Ultra Thin Réserve de Marche Stainless Steel / Silver / Alligator
- Reference
- 1378420
- Movement
- 938
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date
- Power Reserve Indicator
- Case
- Stainless Steel 39mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
Jager LeCoultre Q1378420 Master Reserve de Marche
Jager LeCoultre Master Reserve de Marche, a stainless steel watch with automatic movement and power reserve indicator.
- Condition: Excellent
- Case Size: 39mm diameter
- Thickness: 10mm
- Water Resistance: 100ft
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12 Days of Christmas 🎄 | Day 6/12 | Jaeger-LeCoultre Master Ultra Thin Tourbillon 40mm ✨
A Jaeger-LeCoultre Master Ultra Thin Tourbillon watch that showcases a tourbillon movement in an ultra-thin case, balancing form and function. This watch rewards curiosity and inspires wonder.
- Movement: in-house JLC tourbillon movement
- Case construction: ultra-thin
- Dial style: balanced, uncluttered dial with traditional finishing and proportions
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Jaeger-LeCoultre Master Ultra Thin Moon 39mm Q1368470 $5,850
A Jaeger-LeCoultre Master Ultra Thin Moon in Black with a deep black sunburst dial and extremely thin profile, making it a classy and elegant dress watch.
- Condition: Very Good
- Box Papers: Yes (dated April 2019)
- Warranty Years Left: 8
![[WTS] 12 Days of Christmas 🎄 | Day 3/12 | Jaeger-LeCoultre Master Ultra Thin Date ✨](https://preview.redd.it/flwkjiupns9g1.jpeg?auto=webp&s=15d1c603309630076d2dcf0bb0adc99bb1ab2c31)
12 Days of Christmas 🎄 | Day 3/12 | Jaeger-LeCoultre Master Ultra Thin Date ✨
The Jaeger-LeCoultre Master Ultra Thin Date is a 39mm stainless steel watch with a silvered sunray-brushed dial and black leather strap, featuring an automatic movement.
- Case size: 39mm
- Material: stainless steel
- Dial finish: silvered sunray-brushed
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Jaeger-LeCoultre Master Ultra Thin Small Seconds 39mm Pink Gold Q1212510
A Jaeger-LeCoultre Master Ultra Thin Small Seconds in pink gold with a 39mm case size.
- Condition: Very good, rated at 9.7/10
- Case Size: 39mm
BNIB Jaeger-LeCoultre MASTER ULTRA THIN MOON STAINLESS STEEL 2025 FULL SET
A Jaeger-LeCoultre Master Ultra Thin Moonphase watch in stainless steel with a silver dial, featuring a 39mm case and a black alligator leather strap. The watch is complete with its original packaging and comes under an 8-year factory warranty.
- Condition: Brand New In Box (BNIB)
- Case size: 39mm
- Material: stainless steel
- Strap material: black alligator leather
BNIB Jaeger-LeCoultre MASTER ULTRA THIN DATE BLUE DIAL Q1238480 2025 FULL SET
This is a brand new Jaeger-LeCoultre Master Ultra Thin Date with a blue dial and 39mm stainless steel case, on a black alligator leather strap.
- Condition: Brand new in box (BNIB)
- Case size: 39mm
- Material: stainless steel
2023 JLC Moonphase Master Ultra Thin
The Jaeger-LeCoultre Master Ultra Thin Moon combines a refined, minimalist design with the sophisticated complication of a moon phase indicator in a sleek, ultra-thin case that measures just 9.3mm thin.
- Condition: Excellent Unworn Condition
- Case Material: Stainless steel
- Dial Color: Silver-Grey
- Movement Type: Automatic
2015 Jaeger-LeCoultre Master Ultra Thin Moon 39mm Q1362520 Beige Dial
2015 Jaeger-LeCoultre Master Ultra Thin Moon Phase watch features a pink gold case with an eggshell beige dial, and includes functions such as hour, minute, seconds, date, and moon phase. The watch is equipped with an adjustable brown alligator leather strap and comes with a watch box.
- Condition: Excellent overall condition
- Dial color: Eggshell beige
- Strap material: Brown Alligator Leather
- Buckle type: Pin buckle