Longines · Conquest Classic
Strap for Conquest Classic Automatic 29.5 Stainless Steel / Black / Bracelet
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 L2.285.4.58.6 (aka: L22854586)
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 L2.285.4.58.6 (aka: L22854586), seen from the bench
Frequently asked questions
What is the lug width of the Longines Conquest Classic L2.285.4.58.6?
The lug width of the Longines Conquest Classic L2.285.4.58.6 is 20mm. This is the internal distance between the two pin holes on the case. This measurement is critical for selecting compatible aftermarket straps. To verify correctly, use a digital calliper or ruler, measuring between the two holes on the lug surface at both the 12 and 6 o'clock positions of the case.
What is the best strap for the Longines Conquest Classic L2.285.4.58.6?
The ideal strap depends on usage and aesthetic preferences. For everyday elegance, we recommend calf leather in hazelnut brown or black with natural patina; for a more refined approach, alligator with natural grain offers sophisticated visual texture. Shell cordovan, if available in 20mm, represents the highest level of craftsmanship with extraordinary aging characteristics. Nato fabric straps offer sports durability. The choice depends on intended context of use and personal tactile sensitivity.
How do you change the strap on the Longines Conquest Classic L2.285.4.58.6?
Changing the strap is straightforward and requires no specialised tools. Observe the case from the lug side: you will see a metal pin running through the holes. Using a pen or plastic tool, gently lever the pin to free it from its housing. Once the pin is removed, the old strap detaches. Insert the new strap by aligning the two holes, then reinsert the pin, pushing it until fully seated. The operation takes less than one minute.
Which aftermarket straps are compatible with the Longines Conquest Classic L2.285.4.58.6?
All straps with a 20mm lug width are compatible with this model. The selection includes calf leather, alligator, shell cordovan, nato fabric and premium rubber, provided the lug width is exactly 20mm. Online at milanostraps.it you will find a specialised collection of 20mm straps customisable in size, initials and stitching type. The Casati Milano atelier also creates bespoke straps with personalised consultation.
What is the average lifespan of a leather strap for the Longines Conquest Classic L2.285.4.58.6?
A quality leather strap, if subjected to moderate use and proper maintenance, lasts an average of 3-5 years. Lifespan depends on frequency of use, environmental conditions (humidity, sun, perspiration) and leather type. Alligator and shell cordovan, being premium leathers, age and strengthen over time, potentially lasting over 5 years with care. Calf leather requires periodic cleaning to maintain patina. Nato fabric straps offer superior durability, up to 8-10 years. All milanostraps.it straps include an 18-month warranty.
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
