Longines · Presence
Strap for Presence 38.5 Automatic PVD Gold / White / 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 Presence L4.921.2.11.7 (aka: L49212117)
Selected for the 20 mm lug width · workshop selection
Vintage Black Calfskin Leather Strap€80
Hammered Calfskin Strap Light Blue€98
Hammered Calfskin Watch Strap Green with Ecru Stitching€98
Vintage Olive Green Calf Leather Watch Strap€80
Hammered Black Calfskin Strap — Ecru Stitching€98
The Presence L4.921.2.11.7 (aka: L49212117), seen from the bench
Frequently asked questions
What is the exact lug width of the Longines Presence L4.921.2.11.7?
The lug width of the Longines Presence L4.921.2.11.7 is precisely 20 mm. This measurement must be taken between the two lateral lugs of the case using a digital calliper. An strap with incorrect lug width tolerance will result in misalignment and micro-movements during daily wear.
What strap material is recommended for the Presence L4.921.2.11.7?
For the anthracite grey PVD finishing of the Presence, we recommend alligator leather in vegetable tanning with natural dark patina, black or charcoal Epsom calf for formal occasions, or structured rubber for versatile casual wear. Avoid glossy synthetics that contrast negatively with the matte case surface.
How do I change the strap on my Longines Presence?
The Presence features fixed lugs integrated into the case. To replace the strap, remove the two metal spring bars (lug pins) laterally using a dedicated spring bar removal tool or a small flat implement. Gently extract the original strap, align the new one with the lugs, and reinsert the pins. If inexperienced, consult a qualified watchmaker to avoid case scratching.
Can I use aftermarket-compatible straps with the Presence L4.921.2.11.7?
Yes, provided they strictly respect the 20 mm lug width specification. Artisanal straps from milanostraps.it are specifically crafted in this measurement and guarantee total compatibility. Always ensure your supplier explicitly specifies 20 mm lug width and does not employ approximative tolerances.
How long does a leather strap last on the Presence?
A quality natural leather strap (alligator, full-grain calf) will last 4–7 years with daily wear, depending on tanning method, sun exposure, and humidity. Vegetable tanned leather will age naturally, developing elegant patina. Our straps include an 18-month warranty against manufacturing defects. Natural rubber maintains tactile performance for 5–6 years.
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
