Jaeger-LeCoultre Master Ultra Thin Q13388421 40mm (2024)

Q: Why is Jaeger-LeCoultre known as ‘The Watchmaker’s Watchmaker’?

JLC earned this title by supplying movements to brands like Patek Philippe, Audemars Piguet, and Vacheron Constantin. Their expertise in complications and ultra-thin designs makes them one of the most respected maisons in Swiss watchmaking.

Q: Are JLC watches good investments?

Yes, models like the Reverso, Polaris, and Master Control hold value well. Their timeless designs and strong collector following make pre-owned JLC pieces reliable long-term buys.

Q: How often should a JLC watch be serviced?

Service is recommended every 5–7 years depending on wear and movement type. Reverso and Master Control models with simple movements require less frequent servicing, while complications need more attention.

Q: Are JLC watches durable enough for everyday wear?

Yes. While elegant in design, JLC watches like the Polaris and Master Control are built with durability in mind. Reverso models were originally created for polo players, making them surprisingly robust.

Q: Are pre-owned JLC watches trustworthy purchases?

Yes, especially when authenticated. Watch Channel verifies the originality of movements, case numbers, and dial condition to ensure buyers receive high-quality pre-owned pieces.

R84,999.00

8/10

VERIFIED CONDITIONExcellent Condition

What is this?

1 in stock

SKU: JLC-089

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Brand	Jaeger-LeCoultre
Model	Q13388421
Range	Master Ultra Thin
Production Year	2024
Condition	8
Box	Yes
Papers	Yes
Gender	Men
Movement	Automatic
Case size	40MM
Case material	Stainless steel
Bezel Material	Stainless Steel
Bracelet material	Black Leather
Dial type	Silver
Water resistance	5 ATM

The Jaeger-LeCoultre Master Ultra Thin Q13388421 is a refined dress watch that embodies the brand’s philosophy of understated elegance and technical restraint. Crafted by Jaeger-LeCoultre, this 2024 model features a clean silver sunray dial paired with slim dauphine hands and minimalist hour markers, creating a timeless and highly legible aesthetic. The 40mm stainless steel case is beautifully proportioned, sitting slim on the wrist thanks to the collection’s ultra-thin profile.

Powered by an automatic in-house movement from the Master Ultra Thin line (typically Calibre 899 family depending on configuration), it offers reliable timekeeping with a discreet date function while maintaining a slim case construction. The black leather strap enhances its classic dress-watch character, making it suitable for formal wear, business settings, or understated everyday luxury.

The strength of this watch is restraint. Unlike sport or complication-heavy pieces, the Master Ultra Thin focuses on balance: thin case profile, clean dial architecture, and subtle finishing. It’s designed to disappear under a cuff while still revealing quality on closer inspection. The silver dial version is the most versatile in the lineup, offering a neutral tone that works across formal and smart-casual wear without visual heaviness.

Specifications