Jaeger-LeCoultre Master Ultra Thin Master Ultra Thin Réserve de Marche Stainless Steel / Blue / Alligator

Reference 1378480

Jaeger-LeCoultre Master Ultra Thin Réserve de Marche Stainless Steel / Blue / Alligator

About this watch

The Jaeger-LeCoultre Master Ultra Thin Réserve de Marche, model number 1378480, is a masterpiece of horology that embodies elegance and functionality. Its stunning blue dial with sunburst finish creates a captivating play of light, while the slim profile measures just 9.80 mm in height. The watch features stick and dot indexes, Dauphine hands, and a small seconds subdial at the 6 o'clock mark. Crafted from high-quality stainless steel, the case is durable and luxurious, with a gem-set bezel adding to its allure. The self-winding Jaeger-LeCoultre Caliber 938/1 movement operates at 28,800 vibrations per hour, offering a power reserve of approximately 40 hours. With a diameter of 39.00 mm, this watch strikes a perfect balance between elegance and wearability. Whether attending a formal event or simply enjoying a night out, the Master Ultra Thin Réserve de Marche will elevate your look and make a statement.

Buy Now on Jomashop

This is an affiliate link

Key Features

Jaeger-LeCoultre Caliber 938/1 movement
Stunning blue sunburst dial
Slim profile (9.80 mm)
Gem-set bezel
Sapphire glass
Elegant alligator leather strap
40-hour power reserve

Specifications

Brand

Jaeger-LeCoultre

Family

Master Ultra Thin

Model

Master Ultra Thin Réserve de Marche Stainless Steel / Blue / Alligator

Reference

1378480

Movement

938-1

Movement Features

Hours, Minutes, Small Seconds
Date
Power Reserve Indicator

Case

Stainless Steel 39mm

Dial Color

Blue

Crystal

Sapphire

Water Resistance

Current Listings

PRICE DROP! Gorgeous 18K Pink Gold Jaeger-LeCoultre Master Ultra Thin Moon Phase Full 2023 Set Ref Q1362580

Jaeger-LeCoultre - Q1362580 / 109.2.A5.S · $17,950

This Jaeger-LeCoultre Master Ultra Thin Moon Phase watch is a stunning piece of wrist art, featuring an 18K pink gold case and a gorgeous gradient blue dial. It's a modern dress watch with incredible attention to detail, including sharp lines and deep gold hallmarks.

Condition: Full set, 2.5 years old, clean condition, still under warranty
Diameter: 39MM
Case thickness: 9MM
Movement power reserve: 70 hours

Posted at

May 17, 2026, 11:19 PM

Active

View listing on r/WatchExchange

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

Jaeger-LeCoultre - Q1368470 · $6,700

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

View listing on r/WatchExchange

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

Jaeger-LeCoultre - Q1368471 · $7,500

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

View listing on r/WatchExchange

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

Jaeger LeCoultre - Q1368480 · $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

View listing on r/WatchExchange

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

Jaeger LeCoultre - Q1368430 · $9,995

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

View listing on r/WatchExchange

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

Jaeger-LeCoultre - Q1362580 / 109.2.A5.S · $18,250

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

View listing on r/WatchExchange

JLC Jaeger-LeCoultre Master Ultra Thin Reserve de Marche

Jaeger-LeCoultre - Q1378420 · $5,500

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

View listing on r/WatchExchange

BNIB Jaeger-LeCoultre MASTER ULTRA THIN MOON STAINLESS STEEL 2025 FULL SET

Jaeger-LeCoultre - Q1368430 · $9,325

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

View listing on RolexForums