Jaeger-LeCoultre Master Ultra Thin Master Ultra Thin Knife

Reference 1152520

About this watch

The Jaeger-LeCoultre Master Ultra Thin Knife is a masterpiece of minimalism, boasting an ultra-thin profile and luxurious pink gold case. With a height of just 1.85mm and a diameter of 40mm, this watch exudes elegance while maintaining a classic appeal. The handwound movement requires interaction from the wearer, adding a tactile experience that modern automatic watches often lack. Water resistance reaches 50 meters, making it suitable for everyday wear. The limited edition status, combined with its intricate craftsmanship, makes it a coveted piece among collectors and enthusiasts.
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Key Features

  • Ultra-thin profile (1.85mm)
  • Luxurious pink gold case
  • Handwound movement
  • Water resistance: 50 meters
  • Limited edition of 100 units produced in 2020
  • Sapphire crystal glass for scratch resistance
  • Classic Dauphine hands and stick/dot indexes

Specifications

Brand
Jaeger-LeCoultre
Family
Master Ultra Thin
Model
Master Ultra Thin Knife
Reference
1152520
Movement
849
Movement Features
  • Hours, Minutes
Case
Pink Gold 40mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Classic Design: Jaeger-LeCoultre Master Ultra Thin Date

Classic Design: Jaeger-LeCoultre Master Ultra Thin Date

The Jaeger-LeCoultre Master Ultra Thin Date features a 39mm stainless steel case, silvered sunray-brushed dial, and black leather strap. It is powered by the automatic JLC caliber 899 movement.

  • Condition: Excellent condition
  • Case size: 39mm diameter
  • Movement: Jaeger-LeCoultre caliber 899 automatic
Posted at
Dec 14, 2025, 2:48 PM
Active
[WTS] Jaeger-LeCoultre Master Ultra Thin Moon - Complete - Warranty to 2030

Jaeger-LeCoultre Master Ultra Thin Moon - Complete - Warranty to 2030

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, powered by an updated new-generation Caliber 925 movement with 70-hour power reserve.

  • Condition: Excellent condition all around
  • Case size: 39mm diameter
  • Movement: Caliber 925 movement with 70-hour power reserve
Posted at
Dec 11, 2025, 8:34 PM
Active
[WTS] Here's to Special Watches ✨ Jaeger-LeCoultre Master Ultra Thin Tourbillon - Rose Gold - 40mm

Here's to Special Watches ✨ Jaeger-LeCoultre Master Ultra Thin Tourbillon - Rose Gold - 40mm

Jaeger-LeCoultre - Q1322410 · $27,500
A Jaeger-LeCoultre Master Ultra Thin Tourbillon featuring an automatic tourbillon, 40mm rose gold case, and Beige Eggshell dial.

  • Condition: Excellent overall condition
  • Case size: 40mm diameter
  • Thickness: 11mm
  • Movement: Jaeger-LeCoultre caliber 982 with Tourbillon Escapement
Posted at
Dec 9, 2025, 1:32 PM
Active
[WTS] Jaeger-LeCoultre Master Ultra Thin Date - Complete Set

Jaeger-LeCoultre Master Ultra Thin Date - Complete Set

This Jaeger-LeCoultre Master Ultra Thin Date features a 39mm stainless steel case, silvered sunray-brushed dial, and black leather strap. It's powered by the Jaeger-LeCoultre caliber 899 automatic movement.

  • Condition: Excellent condition
  • Case size: 39mm diameter
  • Movement type: Automatic
Posted at
Dec 6, 2025, 6:08 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 · $11,500
This is a Jaeger-LeCoultre Master Ultra Thin Small Seconds in pink gold, featuring a 39mm case size.

  • Condition: Very good condition, rated at 9.7/10
  • Box: Inner & outer Jaeger-LeCoultre boxes
  • Papers: booklet, and warranty card (dated 2021)
  • Photos: detailed photos
Posted at
Dec 5, 2025, 10:26 AM
Active
[WTS] Jaeger-LeCoultre Master Ultra Thin Moon Box and Papers Q1362510

Jaeger-LeCoultre Master Ultra Thin Moon Box and Papers Q1362510

A Jaeger-LeCoultre Master Ultra Thin Moon Box and Papers is being listed. It features a moon phase display.

Posted at
Dec 1, 2025, 9:07 PM
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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