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

Reference Q1248421

About this watch

The Jaeger-LeCoultre Master Ultra Thin Moon Q1248421 debuted in 2024. Compact and elegant, this 36 mm stainless steel model showcases the Maison’s signature blend of refined design and horological sophistication. The silvered grey dial features dauphine hands and a moonphase display at 6 o’clock, rendered in deep blue with golden stars and moon. The date is indicated by a central pointer hand encircling the moonphase aperture. Inside ticks the automatic calibre 925, delivering a power reserve of 70 hours within a case just 9.3 mm thick. The Q1248421 is paired with a leather strap and secured by a stainless steel double folding clasp. The strap is easily interchangeable for added versatility.
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Specifications

Brand
Jaeger-LeCoultre
Family
Master Ultra Thin
Model
Master Ultra Thin Moon 36 Stainless Steel / Silver / Alligator
Reference
Q1248421
Movement
925aa
Movement Features
  • Hours, Minutes, Seconds
  • Moonphase
Case
Stainless Steel 36mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] 12 Days of Christmas 🎄 | Day 6/12 | Jaeger-LeCoultre Master Ultra Thin Tourbillon 40mm ✨

12 Days of Christmas 🎄 | Day 6/12 | Jaeger-LeCoultre Master Ultra Thin Tourbillon 40mm ✨

Jaeger-LeCoultre - Q1322410 · $26,000
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
Posted at
Dec 30, 2025, 3:07 PM
Active
[WTS] Jaeger-LeCoultre Master Ultra Thin Moon 39mm Q1368470 $5,850

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
Posted at
Dec 27, 2025, 7:38 PM
Active
[WTS] 12 Days of Christmas 🎄 | Day 3/12 | Jaeger-LeCoultre Master Ultra Thin Date ✨

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
Posted at
Dec 27, 2025, 1:59 PM
Active
[WTS] Jaeger-LeCoultre Master Ultra Thin Small Seconds 39mm Pink Gold Q1212510

Jaeger-LeCoultre Master Ultra Thin Small Seconds 39mm Pink Gold Q1212510

Jaeger-LeCoultre - Q1212510 · $11,750
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
Posted at
Dec 19, 2025, 11:27 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
Active