Jaeger-LeCoultre Master Ultra Thin Master Ultra Thin Perpetual White Gold / Silver / Alligator
Reference 1303520
About this watch
The Jaeger-LeCoultre Master Ultra Thin Perpetual is a masterpiece of horology, blending elegance and functionality in a beautiful round shape with a diameter of 39mm. Crafted in white gold, it radiates luxury and sophistication. The watch features a mechanical automatic movement with a frequency of 28,800 vibrations per hour, precise to the second. Its perpetual calendar automatically accounts for leap years and varying month lengths, displaying date, day, month, year, and moonphase. With a water resistance of up to 50 meters, it's suitable for daily wear, making it perfect for those who appreciate the art of watchmaking. This timepiece is not just a luxury item but also a work of art that can be passed down through generations.
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Key Features
- Mechanical automatic movement
- Perpetual calendar with moonphase indicator
- Water resistance up to 50 meters
- White gold case and bracelet
- 39mm diameter and 9.20mm height
- Sapphire crystal glass for scratch resistance
- Dauphine-style hands and stick indexes
Specifications
- Brand
- Jaeger-LeCoultre
- Family
- Master Ultra Thin
- Model
- Master Ultra Thin Perpetual White Gold / Silver / Alligator
- Reference
- 1303520
- Movement
- 868-1
- Movement Features
-
- Hours, Minutes, Seconds
- Date, Day, Month, Year Indicator, Perpetual Calendar
- Moonphase
- Case
- White Gold 39mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
Jaeger-LeCoultre Master Ultra Thin Silver Dial 145.8.79.S 33MM
This Jaeger-LeCoultre Master Ultra Thin Silver Dial is a 33mm time-only mechanical manual watch with a stainless steel case and silver dial.
- Condition: 95%
- Case size: 33 mm diameter
- Movement: Mechanical Manual (cal. 849)
- Function: Time Only
![[WTS] Jaeger-LeCoultre Master Ultra Thin Tourbillon 40mm - Box & Papers](https://external-preview.redd.it/YTJsbDRvaXNjbHllMRokMAKkVD3MhWN_pHWY8dQFWfDDdqW94QsSKj03yyKw.png?format=pjpg&auto=webp&s=613d765093eb2bef26da0a49a73183510694de4d)
Jaeger-LeCoultre Master Ultra Thin Tourbillon 40mm - Box & Papers
A Jaeger-LeCoultre Master Ultra Thin Tourbillon featuring an automatic tourbillon movement, 40mm gold case, and a beige Eggshell dial.
- Condition: Excellent overall condition
- Case size: 40mm diameter
- Thickness: 11mm
- Movement: Jaeger-LeCoultre caliber 982 with Tourbillon Escapement
Jaeger-LeCoultre Master Ultra Thin Moon 34mm Steel Q1258420145.8.64.S Leather Automatic
The Jaeger-LeCoultre Master Ultra Thin Moon is a pre-owned, automatic self-winding watch with a silver dial and sapphire crystal. It features date and moon phase functions, and comes with a JLC Blue Leather band and steel fold clasp.
- Condition: Very good condition
- Case Diameter: 34mm
- Water Resistance: 3 bar

Jaeger LeCoultre Master Ultra Thin Moon - 39mm - 1368430 ( unworn / 2025 )
A Jaeger LeCoultre Master Ultra Thin Moon, featuring a stainless steel case and automatic movement. This watch is part of the company's Master collection and comes with all original packaging and documentation.
- Condition: unworn
- Case Size: 39mm diameter
- Movement: JLC Calibre 925
Jaeger LeCoultre JLC Master Ultra Thin Perpetual Calendar
The Jaeger LeCoultre JLC Master Ultra Thin Perpetual Calendar features a 9.2mm ultra-thin case, stainless steel construction, and a black sunray-brushed dial with polished rhodium-plated appliques.
- Condition: Excellent condition
- Case size: 39mm
- Thickness: 9.2mm
- Movement type: Mechanical automatic winding

2017 Jaeger LeCoultre Ref: Q1368420/176.8.64.S Master Ultra Thin Moon
The Jaeger LeCoultre Master Ultra Thin Moon is a 39mm ultra thin stainless steel watch featuring an excellent silver dial with moonphase subdial and dauphine hands.
- Condition: Excellent
- Case size: 39mm diameter
- Bracelet/strap: 21mm black leather JLC strap with JLC double fold clasp
![[WTS] Jaeger-Lecoultre JLC Master Ultra Thin Moon Q1368420 FULL SET](https://preview.redd.it/r643cjcavewe1.jpg?width=640&crop=smart&auto=webp&s=c2347a37a4c075566c53e68d097dc5234590ec8d)
Jaeger-Lecoultre JLC Master Ultra Thin Moon Q1368420 FULL SET
A Jaeger-LeCoultre Master Ultra Thin Moon watch, a timeless piece that was never worn by its owner. The watch comes in full set with various accessories.
- Condition: Very Good
- Case Condition: ding on the crown-side, faint swirlies on non-crown side
- Strap Condition: like-new croc leather deployant strap
- Service History: unknown

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

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