Technical Archive

Jaeger-LeCoultre
Master Ultra Thin 1692410— lug 20mm

Jaeger-LeCoultre Master Ultra Thin 1692410: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Master Ultra Thin Tourbillon Moon Pink Gold / Eggshell / Alligator

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Jaeger-LeCoultre 1692410
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

1692410

Movement

Jaeger-LeCoultre caliber 983AA Hours, Minutes, Small Seconds | Date | Moonphase | Tourbillon Escapement

The Heritage

The Master Ultra Thin represents Jaeger-LeCoultre's collection of thin timepieces, characterized by reduced thicknesses and essential lines. This model is equipped with the automatic 983AA caliber with hour, minute, small seconds, date, moon phases and tourbillon escapement functions. The case features contained proportions in line with the ultra-thin philosophy of the Swiss maison.

FAQ

What is the lug width of the Jaeger-LeCoultre Master Ultra Thin 1692410?

The Jaeger-LeCoultre Master Ultra Thin 1692410 is fitted with a 20mm lug width, measured at the base of the rose gold case. This measurement is the standard reference for selecting compatible straps, whether in leather, textile, or technical materials.

What is the best strap for the Jaeger-LeCoultre Master Ultra Thin 1692410?

For the Master Ultra Thin 1692410, the most suitable straps are smooth alligator in bordeaux or Havana tones, or box-grain calf in midnight blue or smoke gray. These materials respect the dressy character of the timepiece and complement the warmth of the rose gold without competing with the visible complications.

How do you change the strap on the Jaeger-LeCoultre Master Ultra Thin 1692410?

The strap on the Master Ultra Thin 1692410 is replaced using a 20mm spring bar and a springbar tool (lever or dedicated tool). Given the preciousness of the rose gold case, it is recommended to entrust the work to a watchmaker or the Casati Milano atelier to avoid scratches on the lugs or case.

Are there aftermarket straps compatible with the Jaeger-LeCoultre Master Ultra Thin 1692410?

Yes, all straps with 20mm lugs and standard spring bars are technically compatible with the Master Ultra Thin 1692410. Milano Straps offers a selection of artisanal 20mm straps made from premium materials, with the option to customize stitching, buckle, and length through the Casati Milano bespoke service.

How long does a leather strap last on a Jaeger-LeCoultre Master Ultra Thin 1692410?

The lifespan of a leather strap depends on the quality of the material and frequency of use. A superior quality alligator or calf strap, with regular care (cleaning, conditioning, rotation with other straps), typically lasts between 2 and 4 years. Casati Milano straps are covered by an 18-month warranty 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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By appointment only · Milan

The atelier's website: casatimilano.com