Jaeger-LeCoultre
Reverso 2548440— lug 20mm

The Jaeger-LeCoultre Reverso 2548440 is fitted with a 20 mm lug width. This measurement refers to the internal distance between the lugs of the case, the point where the strap is inserted. To verify it, it is advisable to use a digital caliper positioned between the two lugs at the attachment area.

For the Reverso 2548440, an alligator Mississippiensis strap — in black, bordeaux, or cognac — is the choice most consistent with the Art Déco aesthetics of the case. Alternatively, a box-grain or Barenia calf develops a characteristic patina over time that is perfectly in line with the classic vocation of this watch. All compatible 20 mm models are available on milanostraps.it.

The strap on the Reverso 2548440 is replaced using a dedicated springbar tool, by leveraging the spring bars that connect the strap to the case lugs. Given the particular structure of the reversible case, it is advisable to proceed with caution to avoid scratching the polished surfaces. If in doubt, a watchmaker or the Casati Milano atelier can perform the change by appointment.

Yes, any strap with a 20 mm attachment is technically compatible with the Reverso 2548440, provided the spring bars are of the correct thickness. On milanostraps.it you will find a selection of artisanal 20 mm straps — in alligator, calf, NATO, and other materials — crafted to a quality comparable to original Jaeger-LeCoultre accessories, at a fraction of the Jaeger-LeCoultre list price.

The lifespan of a leather strap depends on the material, daily use, and the care with which it is maintained. A quality alligator strap, used regularly and kept away from excessive water and perspiration, can last 3 to 5 years while maintaining a neat appearance. Casati Milano artisanal straps are covered by an 18-month warranty against manufacturing defects and can be treated with specialized products to extend their life.