Jaeger-LeCoultre
Master Grande Tradition 5023402 (aka: Q5023402)— lug 20mm
Jaeger-LeCoultre Master Grande Tradition 5023402 (aka: Q5023402): 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Jaeger-LeCoultre 5023402 (aka: Q5023402)The essential strap measurement.
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Compatible Straps
Selected for the 20mm lug width of the Master Grande Tradition
FAQ
What is the lug width of the Jaeger-LeCoultre Master Grande Tradition 5023402 (Q5023402)?
The lug width of the Jaeger-LeCoultre Master Grande Tradition 5023402 (Q5023402) is 20mm. This measurement can be verified with a caliper positioned perpendicular to the case lugs at the point of maximum constriction. All straps with a 20mm width are compatible with this reference.
What is the best strap for the Jaeger-LeCoultre Master Grande Tradition 5023402?
For the 5023402 reference in white gold with blue astronomical dial, a polished Louisiana alligator strap in midnight blue or slate gray tones is the most coherent choice. The regular grain of the scales complements the texture of the white gold case, while grey or silver thread stitching completes the color harmony. Alternatively, box calf leather offers discretion and develops a distinctive patina over time.
How do you change the strap on the Jaeger-LeCoultre Master Grande Tradition 5023402?
The 5023402 strap is secured with standard 20mm spring bars. Replacement requires a spring bar tool with a fine tip: compress the bar laterally to release it from the lug, remove the old strap, and insert the new one, ensuring the bars click into place on both sides. Given the precious nature of the white gold case, it is recommended to work on a soft surface or to consult a watchmaker or the Casati Milano atelier.
Are there aftermarket straps compatible with the Jaeger-LeCoultre Master Grande Tradition 5023402 (Q5023402)?
Yes, all straps with a 20mm lug width are technically compatible with the Q5023402 reference. Milano Straps offers a selection of aftermarket straps in alligator, calf leather, rubber, and other materials, handcrafted and available with standard buckles or steel and gold deployant clasps. The quality of materials and precision of measurements ensure a fit equivalent to the original Jaeger-LeCoultre strap.
How long does a leather strap last on a Jaeger-LeCoultre Master Grande Tradition 5023402?
The lifespan of a leather strap depends on leather quality, frequency of use, and exposure to sweat and atmospheric conditions. A high-quality alligator or calf leather strap, used with care and kept away from moisture, can last 2 to 5 years while maintaining its aesthetic qualities. Using specific leather conditioning products and rotating between multiple straps significantly extends the life of the strap. Casati Milano offers an 18-month warranty covering manufacturing defects on all bespoke straps.
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.
Request an appointment →By appointment only · Milan
The atelier's website: casatimilano.com