Jaeger-LeCoultre · AMVOX

Strap for AMVOX1

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

Lug width22 mm
Case diameter42 mm
Reference191T440 (aka: Q191T440)
FamilyAMVOX
MovementJaeger-LeCoultre caliber 918 Hours, Minutes, Seconds | Date | Alarm
CaseTitanium

Spring bar

Swiss Standard universal spring bars

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

Straps for the AMVOX 191T440 (aka: Q191T440)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The AMVOX 191T440 (aka: Q191T440), seen from the bench

The Jaeger-LeCoultre AMVOX 191T440 (Q191T440) is a sports chronograph born from collaboration with Aston Martin, featuring a 42 mm titanium case and caliber 918 automatic movement with chronograph, hours, minutes, seconds and date. The 22 mm lug width accommodates proportionate straps that balance the case diameter without excess. Brushed and satin surfaces on the titanium case create light-responsive finishes, while the anti-reflective sapphire crystal protects a black dial with applied indices prioritizing chronograph readability.

Frequently asked questions

What is the lug width of the Jaeger-LeCoultre AMVOX 191T440?

The lug width of the Jaeger-LeCoultre AMVOX 191T440 is 22 millimetres. This dimension is determined by the distance between the spring bar pins that secure the strap to the case lugs. Precise compatibility verification is essential, as even minor variations (21 or 23 millimetres) would compromise stable attachment and visual proportion.

Which strap is best suited for the Jaeger-LeCoultre AMVOX 191T440?

For the AMVOX 191T440, straps in superior-grade alligator (dark tonalities), vegetable-tanned calf leather, or shell cordovan are recommended. Alligator represents the most refined choice, with its natural geometric scale pattern dialoguing elegantly with the brushed titanium case surfaces. For dynamic daily wear, FKM rubber straps with fine grain texture maintain the model's sporting DNA.

How do I change the strap on my Jaeger-LeCoultre AMVOX 191T440?

The straps on the 191T440 are secured via two spring bar pins positioned laterally at the lugs. To remove the strap, gently compress the spring bar pins inward using a dedicated spring bar tool until they release; the strap will detach cleanly. Installation of a new strap follows the reverse procedure: insert the pins into their seats and release for secure locking.

Is there a compatible aftermarket strap for the 191T440?

Yes, it is possible to pair the Jaeger-LeCoultre AMVOX 191T440 with aftermarket straps featuring a 22-millimetre lug width. Milano Straps offers a comprehensive selection of artisanal 22mm straps in premium materials (alligator, calf, cordovan) crafted bespoke by Casati Milano, backed by an 18-month warranty against manufacturing defects.

How long does a leather strap last on the 191T440?

Leather strap longevity depends on material type, tanning quality, and intensity of use. Alligator and shell cordovan, owing to superior structural density, deliver 5-7 years of regular wear whilst developing aesthetic patina over time. Quality calf leather offers 3-5 years of service. Casati Milano's warranty covers 18 months against manufacturing defects; periodic maintenance (gentle cleaning, application of specialist balms) substantially extends lifespan.

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