Longines · Conquest Classic
Strap for Conquest Classic Chronograph
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Conquest Classic L2.786.4.76.6 (aka: L27864766)
Selected for the 20 mm lug width · workshop selection
Hammered Calfskin Watch Strap Green with Ecru Stitching€98
Hammered Yellow Strap with Ecru Stitching€98
Black Calfskin Rally Watch Strap – Handmade in Milan€110
Red Suede Strap with Stitching — Milano Straps€90
Grand Cavalier Military Brown Leather Strap€120
The Conquest Classic L2.786.4.76.6 (aka: L27864766), seen from the bench
Frequently asked questions
What is the lug width of the Longines Conquest Classic L2.786.4.76.6?
The lug width of the Longines Conquest Classic L2.786.4.76.6 is 20mm. This dimension represents the horizontal distance between the lugs (spring bars) on the case where the strap fits. To verify your lug width, remove the strap from the caseback and measure with callipers the internal space between the two lugs: the measurement to the nearest millimetre is your exact lug width.
What is the best strap for the Longines Conquest Classic L2.786.4.76.6?
The ideal strap depends on your intended use and desired aesthetic. For formal occasions, genuine alligator leather with vegetable tanning or shell cordovan offer authentic elegance and develop beautiful patina over time. For versatile daily wear, brushed or smooth calf leather is the optimal balance between aesthetics and practicality. For sports and water activities, FKM rubber with alligator embossing provides absolute functionality. Milanostraps.it offers immediate compatible solutions; for complete personalisation, contact the Casati Milano atelier for colour and material consultation by appointment.
How do I change the strap on my Longines Conquest Classic L2.786.4.76.6?
The Longines Conquest Classic L2.786.4.76.6 uses standard 20mm lugs. To change the strap, obtain a spring bar removal tool (a small steel instrument specifically designed for watches) or a rounded-tip pin. Position your watch caseback facing you, insert the spring bar tool into the lug hole from the external side and gently lever upward until the spring bar (pin) releases. Repeat on the other side. Insert the new strap by aligning the holes and reintroduce the spring bars until they click into place. If unsure, consult a professional watchmaker or contact Casati Milano for assistance.
Are aftermarket straps compatible with the Longines Conquest Classic L2.786.4.76.6?
Yes, any artisanal strap with a 20mm lug width is compatible with the Longines Conquest Classic L2.786.4.76.6. Milanostraps.it offers a collection of 20mm straps in various materials (alligator, calf, shell cordovan, rubber) ready for immediate shipment and customisable in dimensions, initials and stitching thread. Ensure the strap has been correctly measured (20mm between the insertion holes) and features spring bars compatible with your watch.
How long does a leather strap last on my Longines Conquest Classic?
The lifespan of a leather strap depends on the material and usage. Quality brushed calf with vegetable tanning lasts approximately 3–5 years with daily wear; shell cordovan, due to its denser structure, can reach 5–8 years. Genuine alligator typically lasts 4–6 years. FKM rubber straps last 7–10 years. The patina, soft colour shift and natural imperfections that appear over time are signs of authentic ageing, not deterioration. To extend longevity, keep the strap dry after water contact and occasionally apply a specific conditioning balm. Casati Milano offers an 18-month warranty on all straps: if you encounter manufacturing defects, replacement is covered.
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 →Casati Milano · Via XX Settembre 15, Milan · by appointment only
