Jaeger-LeCoultre Master Ultra Thin Master Ultra Thin 1907 Boutique Edition

Reference 12935E1

About this watch

The Jaeger-LeCoultre Master Ultra Thin 1907 Boutique Edition is a masterclass in elegance, with its ultra-thin profile and stunning silver sunburst dial. The watch embodies the essence of understated luxury, featuring a sophisticated white gold case that shines without being ostentatious. Paired with stick and dot indexes, this watch is not only functional but also a feast for the eyes. With a power reserve of 35 hours, you can confidently take it off at night and still have it running the next day without worry. The hand-wound mechanism offers an engaging experience, allowing you to connect with your watch in a more personal way. The caliber 849 movement is a marvel of engineering, featuring 19 jewels and an impressive frequency of 21,600 vibrations per hour. Investing in a Jaeger-LeCoultre is investing in longevity, as these watches are built to last both physically and stylistically. With its classic design, this watch will hold its value and aesthetic appeal for decades to come.
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Key Features

  • Hand-wound mechanical movement caliber 849
  • Ultra-thin profile with a height of just 4.05 mm
  • 39 mm diameter white gold case
  • Silver sunburst dial with stick and dot indexes
  • 19 jewels and frequency of 21,600 vibrations per hour
  • Power reserve of 35 hours
  • Water resistance up to 50 meters

Specifications

Brand
Jaeger-LeCoultre
Family
Master Ultra Thin
Model
Master Ultra Thin 1907 Boutique Edition
Reference
12935E1
Movement
849
Movement Features
  • Hours, Minutes
Case
White Gold 39mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
50

Current Listings

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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
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  • Case material: rose gold
  • Box and papers: yes
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Dec 18, 2025, 9:32 PM
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  • Case size: 39mm
  • Movement: Caliber 925 with 70-hour power reserve
Posted at
Dec 17, 2025, 3:27 PM
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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
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[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
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[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

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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
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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
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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
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2023 JLC Moonphase Master Ultra Thin

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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