Jaeger-LeCoultre · Reverso

Strap for Reverso One Duetto Stainless Steel / Silver / Alligator

Takes 14 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width14 mm
Case diameter20 mm
ReferenceQ334848J (aka: 334848J)
FamilyReverso
MovementJaeger-LeCoultre caliber 844 hours, minutes
Year2019
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 Q334848J (aka: 334848J)

Selected for the 14 mm lug width · workshop selection

All 14 mm straps →

The Reverso Q334848J (aka: 334848J), seen from the bench

The Jaeger-LeCoultre Reverso One Duetto Q334848J features a reversible stainless steel case with 20 mm diameter and a caliber 844 movement displaying hours and minutes. The sapphire crystal can be protected by flipping the case, while the movement remains visible from the caseback. The 14 mm lug width is proportioned to this compact Reverso model and requires precise strap fitting between the case lugs.

Frequently asked questions

What is the lug width of the Jaeger-LeCoultre Reverso Q334848J?

The lug width of the Q334848J is 14 millimetres. This is the distance between the two lugs where the strap must fit with precision. To verify it, use a digital calliper measured parallel to the dial, at the inner extremities of the lugs. Accurate measurement is essential to ensure an optimal fit.

What is the best strap for the Reverso Q334848J?

The best strap depends on intended use. Dark brown alligator offers timeless elegance and reliable grip. For those seeking durability and natural patina, vegetable-tanned leather is excellent. If you seek tactical versatility, shell cordovan resists water and scratching. The minimalist style of the case pairs well with vulcanised rubber or a steel deployante as well.

How do you change the strap on a watch with 14mm lugs?

Use a spring bar tool. Place the watch on a soft, stable surface. Gently insert the tool tip into the lug hole, lifting the spring bar until it releases. Repeat on the other side. Remove the old strap and insert the new one, ensuring the spring bar clicks into position. Always verify both ends are securely fastened before wearing the watch.

Are there quality aftermarket straps for the Jaeger-LeCoultre Reverso Q334848J?

Yes, high-quality artisanal straps compatible with 14mm lugs are available. Milano Straps offers dedicated collections crafted from fine leathers including alligator, vegetable-tanned calf, and shell cordovan. The Casati Milano atelier also allows bespoke customisation: you personally select the leather and follow production. These straps maintain superior construction standards compared to generic aftermarket components.

How long does a leather strap last on this watch?

Duration depends on material and frequency of use. A vegetable-tanned calf strap, worn daily, maintains structural integrity for 3-4 years with normal care. Alligator, being more resilient, can last 4-5 years. Shell cordovan exceeds 5 years due to its water resistance. All benefit from periodic cleaning with a soft cloth and storage in dry environments. Casati Milano straps include an 18-month guarantee against manufacturing defects.

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