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Jaeger-LeCoultre · Master Ultra Thin

Strap for Jaeger-LeCoultre Master Ultra Thin 1242501

The Master Ultra Thin Moon 36 Pink Gold - Diamond / Silver / Alligator takes 17 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

17mm
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Lug width17 mm
Case diameter36 mm
Reference1242501 (aka: Q1242501)
FamilyMaster Ultra Thin
MovementJaeger-LeCoultre caliber 925AA Hours, Minutes, Seconds | Moonphase
Year2021 - 2023
CaseRose Gold
Water resistance50 m

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Standard spring bar · length 17 mm · Ø 1.8 mm double flange · industry standard, no brand part number

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Master Ultra Thin Moon 36 Pink Gold - Diamond / Silver / Alligator — watch

What I'm asked about the Jaeger-LeCoultre Master Ultra Thin 1242501

What strap size does the Jaeger-LeCoultre Master Ultra Thin 1242501 take?

The Jaeger-LeCoultre Master Ultra Thin 1242501 needs 17 mm between the lugs. It's the size I've been fitting on it for years.

Can the strap on the Jaeger-LeCoultre Master Ultra Thin 1242501 be changed?

Yes. It has spring bars between the lugs: with the right tool the strap comes off in a minute. If you'd rather not risk a scratch, I do it in the workshop.

Can I put a leather strap on the Jaeger-LeCoultre Master Ultra Thin 1242501?

Yes, in 17 mm leather. On a 36 mm dress watch alligator is the natural choice: thin, elegant, what it was born for.

Which strap do you recommend for the Jaeger-LeCoultre Master Ultra Thin 1242501?

A thin 17 mm alligator. I don't keep this size ready in the catalogue: I make it to measure. If you'd rather have something built on your wrist, the Casati atelier.

For changing the strap

Classic Strap and Bracelet Removal Tooltwo-tip spring bar tool→Milano Straps Premium Swiss Standard Watch Bucklestang buckle, steel or PVD→Leather Conditioner Milano Strapsnourishes and protects the strap→Casati Milano Rectangular Epsom Leather Travel Case — Brownfor the watch and spare straps→

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only

The atelier's website: casatimilano.com

Updated on · by Antonio Zichichi