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] Jaeger-LeCoultre Master Ultra Thin Moon 39 Ref. Q1368470 | Box & Papers | Extra Strap

Jaeger-LeCoultre Master Ultra Thin Moon 39 Ref. Q1368470 | Box & Papers | Extra Strap

The elegant Jaeger-LeCoultre Master Ultra Thin Moon 39 is a refined modern dress watch with ideal proportions, a clean layout, and exceptional elegance. It features an in-house automatic Caliber 925/1 and a moonphase with date at 6 o'clock.

  • Condition: Mint condition
  • Case size: 39mm
  • Thickness: 9.9mm
  • Power reserve: 70-hour
Posted at
May 17, 2026, 2:17 PM
Active
[WTS] Jaeger-LeCoultre Master Ultra Thin Moon Ref:Q1368471 Full Set

Jaeger-LeCoultre Master Ultra Thin Moon Ref:Q1368471 Full Set

A 39mm Jaeger-LeCoultre Ultra Thin Moon with an updated Caliber 925 movement and 70 hour power reserve is up for sale. The watch comes complete with its box, papers, travel pouch, and warranty card.

  • Condition: Excellent condition, slight wear on the strap
  • Case size: 39mm
  • Movement: Caliber 925
  • Power reserve: 70 hours
Posted at
May 15, 2026, 2:13 PM
Active
[WTS] 2024 Jaeger LeCoultre Master Ultra Thin Moon. Q1368480. Gorgeous Blue Dial. Warranty through 2032. $7,600.

2024 Jaeger LeCoultre Master Ultra Thin Moon. Q1368480. Gorgeous Blue Dial. Warranty through 2032. $7,600.

A beautiful Jaeger LeCoultre Master Ultra Thin Moon with a deep blue sunray dial, dated March 2024, and an extended warranty running through 2032.

  • Condition: Excellent condition with some wear on the strap
  • Warranty expiration year: 2032
Posted at
May 13, 2026, 4:47 PM
Active
[WTS] Jaeger LeCoultre Master Ultra Thin Moon 39mm 1368430 ( unworn / 2026 / box and papers )

Jaeger LeCoultre Master Ultra Thin Moon 39mm 1368430 ( unworn / 2026 / box and papers )

This is an unworn Jaeger LeCoultre Master Ultra Thin Moon, a 39mm stainless steel automatic watch with the JLC Calibre 925 movement.

  • Condition: Unworn
  • Case diameter: 39mm
  • Case material: Stainless Steel
  • Movement: JLC Calibre 925
Posted at
May 13, 2026, 12:07 PM
Active
[WTS] GRAIL DRESS WATCH! Jaeger-LeCoultre Master Ultra Thin Moon Phase in 18K Pink Gold Full 2023 Set Ref Q1362580

GRAIL DRESS WATCH! Jaeger-LeCoultre Master Ultra Thin Moon Phase in 18K Pink Gold Full 2023 Set Ref Q1362580

A stunning Jaeger-LeCoultre Master Ultra Thin Moon Phase in 18K pink gold with a gorgeous gradient blue dial, featuring a moon phase sub-dial and a sapphire crystal case back.

  • Condition: Full set, clean condition, 2.5 years old, under warranty
  • Case diameter: 39mm
  • Case thickness: 9mm
  • Movement: Automatic Cal. 925
Posted at
May 10, 2026, 11:14 PM
Active
[WTS] JLC Jaeger-LeCoultre Master Ultra Thin Reserve de Marche

JLC Jaeger-LeCoultre Master Ultra Thin Reserve de Marche

A Jaeger-LeCoultre Master Ultra Thin Reserve de Marche, purchased in 2016. The watch features a replaced buckle, as documented by JLC, and includes original records.

  • Condition: Excellent
  • Box And Papers: Yes
Posted at
May 10, 2026, 12:48 AM
Active
[WTS] GRAIL MODERN DRESS WATCH! Jaeger-LeCoultre Master Ultra Thin Moon Phase in 18K Pink Gold Full 2023 Set Ref Q1362580

GRAIL MODERN DRESS WATCH! Jaeger-LeCoultre Master Ultra Thin Moon Phase in 18K Pink Gold Full 2023 Set Ref Q1362580

This Jaeger-LeCoultre Master Ultra Thin Moon Phase in 18K pink gold features a gorgeous gradient blue dial and is a modern dress watch perfection with sharp lines and deep gold hallmarks.

  • Condition: Clean condition, full set with original accessories
  • Case diameter: 40mm
  • Movement power reserve: 70 hour
Posted at
May 3, 2026, 10:54 PM
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