Jaeger-LeCoultre · Reverso

Strap for Reverso Classic Medium Duetto Stainless Steel / Silver

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter24 mm
Reference2588420 (aka: Q2588420)
FamilyReverso
MovementJaeger-LeCoultre caliber 854B/2 hours, minutes, Additional 12 hours Hand (adjustable), day / Night Indication
CaseStainless Steel

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 2588420 (aka: Q2588420)

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Reverso 2588420 (aka: Q2588420), seen from the bench

The Reverso features the Jaeger-LeCoultre Caliber 854B/2 with functions of hours, minutes, a seconds hand that can be adjusted, and a day/night indicator. The rectangular case features 18mm lugs. The movement offers the ability to set a second time zone via the additional hour hand.

Frequently asked questions

What is the lug width of the Jaeger-LeCoultre Reverso 2588420?

The Reverso 2588420 is equipped with an 18-millimetre lug width. This measurement is specifically calibrated to the compact proportions of the case (24.40 mm in diameter) and ensures a perfectly balanced aesthetic ratio. It is essential to verify strap compatibility by measuring the space between the lug pins, rather than relying solely on size declarations.

What strap material is recommended for the Reverso 2588420?

For the Reverso 2588420, we recommend alligator leather with vegetable tanning for an authentically vintage aesthetic tied to the model's history, or aniline calf for a patina that evolves over time. Shell cordovan offers superior nobleness and thickness, though with initial stiffness. For more dynamic use, canvas NATO or high-quality rubber support the design's sporty nature without competing visually with the case.

How do I change the strap on the Jaeger-LeCoultre Reverso 2588420?

Strap replacement requires extraction of the pins connecting the previous strap to the case. Using a dedicated tool (spring bar remover), gently press the pin inward until one end is freed, then carefully extract the pin. Insert the new strap by aligning the holes and reinsert the pin, verifying it is fully locked. Avoid improvised tools that could scratch the case.

Is an aftermarket strap compatible with the Reverso 2588420?

Yes, any strap with an 18-millimetre lug width is compatible, provided the width is verified with precision. Artisanal straps allow for significantly superior calibrated fitting compared to standard models, ensuring the strap slides without forcing and does not create unwanted visual gaps between the case body and leather.

What is the average lifespan of a natural leather strap for the Reverso 2588420?

A high-quality natural leather strap (alligator, aniline calf, shell cordovan) typically lasts between 4 and 8 years with moderate wear and regular maintenance. Longevity depends on frequency of use, moisture exposure, and the ageing of vegetable-tanned leather. Proper strap conditioning every 12–18 months significantly extends useful life and promotes patina evolution.

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