Longines · Saint Imier
Strap for Saint-Imier Chronograph
Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The Saint Imier L2.753.5.52.7 (aka: L27535527), seen from the bench
Frequently asked questions
What is the lug width of the Longines Saint Imier L2.753.5.52.7?
The Longines Saint Imier L2.753.5.52.7 features a lug width of 18mm, representing the internal distance between the case lugs. This measurement is essential when purchasing a compatible strap. Always verify with a digital calliper to ensure accurate tolerance.
Which strap is best suited for the Longines Saint Imier L2.753.5.52.7?
The ideal strap depends on intended use. For formal settings, we recommend dark brown alligator or hammer-textured vitello in cognac tones, both enhancing the visual contrast with the rose gold casing. For daily versatility, a reversible vitello strap (brown/beige) maximises flexibility. An anthracite NATO offers a sportier option while maintaining refinement.
How do you change the strap on the Longines Saint Imier L2.753.5.52.7?
Strap replacement requires a spring bar tool to compress the retention springs. Place the watch on a clean surface, insert the tool into the gap between lug and strap, gently compress the spring to release the pin, remove the old strap, and install the new one following the same procedure. If unfamiliar with the process, consult a professional watchmaker.
Does the Longines Saint Imier L2.753.5.52.7 accept aftermarket straps?
Yes, the L2.753.5.52.7 accommodates any 18mm lug width strap, including bespoke artisanal options. Straps from milanostraps.it are fully compatible and customisable in premium leathers (alligator, vitello, shell cordovan, vegetable-tanned), dimensions, initials, and thread colour.
What is the expected lifespan of a leather strap for the Longines Saint Imier L2.753.5.52.7?
Strap longevity depends on construction quality, leather type, and usage conditions. An artisanal alligator or shell cordovan strap typically lasts 5–7 years with regular maintenance. Hammer-textured vitello or vegetable-tanned leather may require replacement after 3–5 years if exposed to moisture and dirt. Proper care (monthly cleaning, protection from humidity) significantly extends lifespan.
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
