Jaeger-LeCoultre · Reverso

Strap for Reverso Tribute Duoface Calendar Pink Gold / Silver

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter30 mm
ReferenceQ3912532 (aka: 3912532)
FamilyReverso
MovementJaeger-LeCoultre caliber 853/AA hours, minutes, Additional 12 hours Hand (adjustable), day / Night Indication | date, day, month | moonphase
Year2023
CaseRose Gold

Spring bar

Swiss Standard universal spring bars

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

Straps for the Reverso Q3912532 (aka: 3912532)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Reverso Q3912532 (aka: 3912532), seen from the bench

The Jaeger-LeCoultre Reverso Q3912532 is a refined timepiece featuring a 29.90 mm pink gold reversible case with a Jaeger-LeCoultre caliber 853/AA mechanical movement. This model displays hours, minutes, a supplementary 12-hour hand, day/night indication, date, day, month, and moonphase. The 22 mm lug width is characteristic of this ultra-thin Reverso version, with measurements taken internally between case shoulders.

Frequently asked questions

What is the exact lug width of the Jaeger-LeCoultre Reverso Q3912532?

The lug width of the Q3912532 is 22 mm. This measurement is specific to the flip case of the Reverso in its ultra-thin version and must be measured perpendicularly between the two case lugs, from shoulder to shoulder, excluding any decorations or protrusions. Accurate measurement with a tailor's tape or digital calliper is essential to guarantee strap compatibility.

Which strap is best suited for the Jaeger-LeCoultre Reverso in rose gold?

For the Reverso Q3912532 in rose gold, cognac or pearl grey alligator represents the most historically and aesthetically coherent choice. Alligator maintains visual balance with rose gold without chromatic competition. Alternatively, vegetable-tanned calf in burgundy with a rose gold deployante offers versatility and a natural patina that evolves over time, creating a personal bond with the timepiece.

How do I change the strap on a Reverso Q3912532 without damaging the lugs?

The Reverso requires extreme care when changing the strap, as the flip case is a moving component. Use a spring bar tool specifically designed for watches with rectangular lugs, inserting the delicate tip into the lateral notches. Work with slow, parallel movements—never force. If in doubt, contact Casati Milano: strap changes benefit from expert supervision to preserve the mechanical integrity of the flip case.

Are there aftermarket straps compatible with the Q3912532?

Yes. Milano Straps offers a specialised collection of 22 mm straps compatible with the Reverso Q3912532. All straps are crafted to measure with careful attention to the specific proportions of the flip case. We recommend verifying the lug geometry with Casati Milano via WhatsApp beforehand, as the rectangular profile of the Reverso requires attachment geometries slightly different from standard straps.

How long does a leather strap last on a Jaeger-LeCoultre Reverso Q3912532?

A high-quality leather strap (alligator, calf, shell cordovan) on a Reverso has an average lifespan of 3–5 years with daily use, extending to 7–10 years if worn occasionally. Longevity depends on factors such as environmental humidity, frequency of use, wrist perspiration, and maintenance. With Casati Milano, every strap is guaranteed for 18 months against manufacturing defects and can undergo conservative restoration (re-stitching, treatment, buckle replacement) at advantageous prices with additional warranty.

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.

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