Jaeger-LeCoultre Master Ultra Thin Master Ultra Thin Moon 36 Stainless Steel / Silver / Alligator

Reference 124842J

About this watch

The Jaeger-LeCoultre Master Ultra Thin Moon 36, model number 124842J, is a stunning representation of the brand's dedication to precision and aesthetics. This elegant timepiece combines sophistication with functionality, featuring a stainless steel case, silver sunburst dial, and luxurious alligator strap. The watch boasts an array of features that cater to both collectors and everyday wearers, including a moonphase indicator, self-winding movement with 70-hour power reserve, and water resistance up to 50 meters. Its elegant design and intricate movement make it perfect for anyone looking to combine functionality with luxury. Whether you're a seasoned collector or a first-time buyer, this watch is worth considering. It's not just about telling time; it's about making a lasting impression.
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Key Features

  • Stainless Steel Case
  • Sapphire Crystal
  • Self-Winding Movement (Jaeger-LeCoultre Caliber 925AA)
  • Moonphase Complication
  • 70-Hour Power Reserve
  • 50-Meter Water Resistance

Specifications

Brand
Jaeger-LeCoultre
Family
Master Ultra Thin
Model
Master Ultra Thin Moon 36 Stainless Steel / Silver / Alligator
Reference
124842J
Movement
925aa
Movement Features
  • Hours, Minutes, Seconds
  • Moonphase
Case
Stainless Steel 36mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] 2025 Like New JLC Master Ultra Thin Moonphase Rose Gold Q1362511

2025 Like New JLC Master Ultra Thin Moonphase Rose Gold Q1362511

Jaeger-LeCoultre - Q1362511 · $19,950
A 2025 Jaeger-LeCoultre Master Ultra Thin Moonphase in Rose Gold, featuring a 39mm case with 70 hour power reserve.

  • Condition: Like New
  • Case Size: 39mm diameter
  • Thickness: 9.3mm height
  • Power Reserve: 70 hour power reserve
Posted at
Feb 16, 2026, 5:40 PM
Active
[WTS] JLC Jaeger-LeCoultre Master Ultra Thin Moon – 39mm – Warranty thru 2029

JLC Jaeger-LeCoultre Master Ultra Thin Moon – 39mm – Warranty thru 2029

The Jaeger-LeCoultre Master Ultra Thin Moon features a reworked 39mm case, updated moonphase disc with sharper detailing and a more vivid contrast against the dial.

  • Condition: Excellent
  • Case size: 39mm
  • Movement: Caliber 925 with 70-hour power reserve
Posted at
Feb 12, 2026, 11:14 AM
Active
BNIB Jaeger-LeCoultre MASTER ULTRA THIN MOON STAINLESS STEEL 2025 FULL SET

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
Posted at
Apr 1, 2025, 8:54 PM
Active
BNIB Jaeger-LeCoultre MASTER ULTRA THIN DATE BLUE DIAL Q1238480 2025 FULL SET

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
Posted at
Mar 18, 2025, 9:49 PM
Active
2023 JLC Moonphase Master Ultra Thin

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
Posted at
Mar 7, 2025, 6:54 PM
Active
2015 Jaeger-LeCoultre Master Ultra Thin Moon 39mm Q1362520 Beige Dial

2015 Jaeger-LeCoultre Master Ultra Thin Moon 39mm Q1362520 Beige Dial

Jaeger-LeCoultre - Q1362520 · $10,750
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
Posted at
Mar 3, 2025, 9:51 AM
Active
Jaeger LeCoultre Master Ultra Thin Moon - Blue - 1368480 ( unworn / 2025 )

Jaeger LeCoultre Master Ultra Thin Moon - Blue - 1368480 ( unworn / 2025 )

This Jaeger LeCoultre Master Ultra Thin Moon features a 39mm stainless steel case and automatic JLC Calibre 925 movement.

  • Condition: unworn
  • Case size: 39mm
  • Case material: stainless steel
Posted at
Feb 27, 2025, 3:19 PM
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Jaeger LeCoultre Master Ultra Thin Moon - 39mm - 1368430 ( unworn / 2025 )

Jaeger LeCoultre Master Ultra Thin Moon - 39mm - 1368430 ( unworn / 2025 )

A Jaeger LeCoultre Master Ultra Thin Moon in unworn condition, complete with all original boxes and papers.

  • Condition: unworn
  • Case material: Stainless Steel
  • Case size: 39mm
  • Movement: JLC Calibre 925 Movement (Automatic)
Posted at
Feb 27, 2025, 3:19 PM
Active
Jaeger-LeCoultre Master Ultra Thin Certified 1907 Jubilee Platinum 950 LIMITED

Jaeger-LeCoultre Master Ultra Thin Certified 1907 Jubilee Platinum 950 LIMITED

Jaeger-LeCoultre - Q1296520 · $11,499
The Jaeger-LeCoultre Master Ultra Thin 1907 Jubilee Platinum 950 is a limited edition watch with a manual winding movement, platinum case, and silver dial. It's available in a very good condition and comes with a JLC card and extended warranty.

  • Condition: very good
  • Case material: platinum
  • Case dimensions: 39mm diameter
  • Dial color: silver
Posted at
Jan 27, 2025, 6:35 PM
Active