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Jaeger-LeCoultre · Master Ultra Thin

Strap for Jaeger-LeCoultre Master Ultra Thin Q1142501

The Master Ultra Thin Perpetual Pink Gold - Diamond / Eggshell takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

  • 4.8 out of 5 · 269 reviews
  • Ships in 1–3 working days
  • Worldwide shipping
  • 30-day returns
  • 12-month warranty on manufacturing defects
  • Hand-stitched in Milan

Lug width

21mm
21 mm strapsAll Jaeger-LeCoultre
Not sure about the right strap, or can't find your watch?Message me on WhatsApp
Lug width21 mm
Case diameter39 mm
ReferenceQ1142501 (aka: 1142501)
FamilyMaster Ultra Thin
MovementJaeger-LeCoultre caliber 868/1 Hours, Minutes, Seconds | Date, Day, Month, Year indicator, Perpetual calendar | Moonphase
Year2024
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 21 mm · Ø 1.8 mm double flange · industry standard, no brand part number

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Master Ultra Thin Perpetual Pink Gold - Diamond / Eggshell — watch

Your watch with our straps

Master Ultra Thin Q1142501 with Grand Cavalier Leather Strap Orange
Master Ultra Thin Q1142501 with Brown Italian Leather Strap
Master Ultra Thin Q1142501 with Black Saffiano Strap Ecru Stitching

Calf, Orange

Grand Cavalier Leather Strap Orange

€120

★ 4.9 · 12

See the strapAll 21 mm straps

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Real photos of the strap and the case. No generated images.

What length do I need?

Measure your wrist with a tailor's tape or a piece of string, comfortably snug.

Wrist circumferenceLength (long side / short side)
15.0–16.4 cm120 / 70 mm
16.5–17.8 cm125 / 75 mm
17.9–19.0 cm130 / 80 mm
19.1–20.3 cm135 / 85 mm
20.4–21.6 cm140 / 85 mm
21.7–22.9 cm145 / 90 mm

The ready-to-wear strap is 115 × 75 mm. For a smaller or larger wrist I make it in the right length: order your length.

What I'm asked about the Jaeger-LeCoultre Master Ultra Thin Q1142501

What strap size does the Jaeger-LeCoultre Master Ultra Thin Q1142501 take?

The Jaeger-LeCoultre Master Ultra Thin Q1142501 needs 21 mm between the lugs, usually 18 mm at the buckle. It's the size I've been fitting on it for years.

Can the strap on the Jaeger-LeCoultre Master Ultra Thin Q1142501 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 Q1142501?

Yes, in 21 mm leather. On a 39 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 Q1142501?

A thin 21 mm alligator. You'll find it ready in the 21 mm collection. 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