Jaeger-LeCoultre Master Ultra Thin Master Ultra Thin Small Second

Reference 1278420

About this watch

The Jaeger-LeCoultre Master Ultra Thin Small Second is a masterpiece of watchmaking, blending elegance and innovation. This 38.50mm timepiece boasts a slim profile of just 7.60mm, making it suitable for both formal and casual occasions. The stainless steel case features a gem-set bezel, adding a touch of luxury and sophistication. The Jaeger-LeCoultre caliber 896 movement is a testament to the brand's commitment to precision and longevity, with a power reserve of 43 hours. The watch's design is characterized by a stunning sunburst finish in silver, stick and dot indexes, and elegant Dauphine hands. With its water resistance of up to 50 meters, this watch is versatile enough for everyday wear. Its comfortable fit and lightweight nature make it an excellent choice for professional settings. Whether you're dressing up or enjoying a casual day out, the Jaeger-LeCoultre Master Ultra Thin Small Second is an elegant companion that transcends time and trends.

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Key Features

Jaeger-LeCoultre caliber 896 movement
38.50mm diameter
7.60mm height
Stainless steel case with gem-set bezel
Sapphire crystal glass
Water resistance up to 50 meters
43-hour power reserve

Specifications

Brand

Jaeger-LeCoultre

Family

Master Ultra Thin

Model

Master Ultra Thin Small Second

Reference

1278420

Movement

896

Movement Features

Hours, Minutes, Small Seconds

Case

Stainless Steel 38.5mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

Current Listings

Price drop! 2024 Jaeger LeCoultre Master Ultra Thin Moon Blue Dial. Q1368480. Gorgeous Blue Dial. Warranty through 2032. $7,400

Jaeger LeCoultre - Q1368480 · $7,400

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

Condition: Excellent condition
Diameter: 40mm
Warranty expiration year: 2032

Posted at

May 20, 2026, 11:44 AM

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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

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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

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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

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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

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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

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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

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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

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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

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