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
Reference3912530 (aka: Q3912530)
FamilyReverso
MovementJaeger-LeCoultre caliber 853/AA hours, minutes, Additional 12 hours Hand (adjustable), day / Night Indication | date, day, month | moonphase
Year2022
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 3912530 (aka: Q3912530)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Reverso 3912530 (aka: Q3912530), seen from the bench

The Jaeger-LeCoultre Reverso Tribute Duoface Calendar (ref. 3912530) is a contemporary evolution of the 1931 icon originally designed for British polo players. The 18k rose gold reversible case measures 29.90 mm and houses the ultra-thin manual-wind caliber 853/AA, equipped with hours, minutes, day/night indicator, date, day, month, and moonphase complications. The 22 mm lug width ensures optimal compatibility and stability when the case is reversed during use.

Frequently asked questions

What is the lug width of the Jaeger-LeCoultre Reverso 3912530?

The lug width of the Reverso 3912530 is 22 mm. This measurement, taken between the shoulders of the pin lugs, is essential for selecting compatible straps. The 22 mm dimension is the standard for this collection and ensures a proper fit that does not compromise the caseback flip mechanism.

Which strap is best suited for the Jaeger-LeCoultre Reverso 3912530?

For the Reverso 3912530, we primarily recommend ventral alligator or shell cordovan in brown, cognac, or aged tones. These materials complement the richness of rose gold without competing visually. Alternatively, vegetable-tanned calf leather in dark brown, burgundy, or grey-taupe offers elegance and evolving patina. NATO cordura or fabric straps with inverted keepers are ideal for more sporty daily use.

How do I change the strap on my Reverso 3912530?

The Reverso 3912530 uses straight pins (bars) of specific diameter. To change the strap: position the watch on a soft support, locate the lower lug pin, use a spring bar tool with the correct tip size, extract the pin with gentle rotational pressure, remove the old strap, align the new strap with the caseback shoulders, reinsert the pin with even pressure until it seats. To avoid damage to the flip mechanism, have a specialised watchmaker perform this task.

Can I use an aftermarket strap on my Reverso 3912530?

Yes, provided the strap is custom-made for the 22 mm lug width and the pins are compatible with the diameter of the caseback attachment system. Quality aftermarket straps (in alligator, shell cordovan, or calf) are fully compatible. Milano Straps offers 22 mm straps suitable for the Reverso, crafted with quality equal to or superior to original products.

How long does a leather strap last on the Reverso 3912530?

Durability depends on material, usage, and friction from repeated caseback flips. A quality shell cordovan strap lasts 5–8 years with daily wear; alligator performs similarly. Vegetable-tanned calf typically lasts 3–5 years. NATO fabric straps exceed 7–10 years. The 18-month manufacturing defect warranty covers artisanal construction. With proper maintenance (conditioning with specific creams, avoiding excess moisture), longevity increases significantly.

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