Longines · Presence
Strap for Presence 34.5 Automatic Stainless Steel
Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The Presence L4.821.4.97.6 (aka: L48214976), seen from the bench
Frequently asked questions
What is the lug width of the Longines Presence L4.821.4.97.6?
The lug width is 18 mm. This measurement is taken by positioning a calliper between the two attachment lugs, from the inner edge of one to the inner edge of the other. Accurate measurement is essential to ensure a perfect fit between the case and the strap, avoiding play or misalignment during daily use.
What is the best strap for the Longines Presence L4.821.4.97.6?
Premium alligator skin with fine belly grain is the optimal choice, thanks to the natural dialogue between the smooth leather texture and the satin-brushed steel case. Alternatively, Italian vegetable-tanned calfskin offers chromatic evolution over time and a patina that tells a story of dignified wear. Cordovan, if available in 18 mm format, provides deep lustre and rigid structure, maintaining the visual balance of the model.
How do I change the strap on the Longines Presence L4.821.4.97.6?
The Presence uses standard spring bars. Obtain a dedicated tool (strap remover or small flat lever), insert the tip under the spring bar on the opposite side of the spring, press gently to retract the bar, and remove the old strap. Insert the new strap by aligning one side first, then push the spring bar into the hole on the other side. Verify that both bars are fully seated and that the strap has no play.
Can I use an aftermarket strap compatible with the Longines Presence L4.821.4.97.6?
Yes, any strap with an 18 mm lug width is compatible. However, to preserve the minimalist aesthetic and proportions of the model, select noble materials (alligator, vegetable-tanned calfskin, cordovan) and reduced thickness (1.2–1.4 mm). Avoid rubber or NATO straps, which may compromise the visual balance and formal elegance of the Presence.
What is the average lifespan of a leather strap on the Longines Presence L4.821.4.97.6?
A premium leather strap with vegetable tanning can last 4–7 years under correct daily use conditions. Lifespan depends on exposure to moisture, salt, UV rays, and frequency of use. Vegetable-tanned leather tends to age gracefully, developing a golden patina. It is recommended to apply protective wax every six months and to avoid prolonged water immersion.
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
