Longines · Heritage
Strap for BelleArti 24.6 Pink Gold Diamond
Takes 15 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The Heritage L2.501.9.83.6 (aka: L25019836), seen from the bench
Frequently asked questions
What is the lug width of the Longines Heritage L2.501.9.83.6?
The lug width of the Longines Heritage L2.501.9.83.6 is 15mm. This measurement represents the distance between the two lugs on the case where the strap is fitted. Lug width is measured as the internal span between the springbar pins, not the case diameter. It is the only parameter that determines strap compatibility with this watch.
What is the best strap for the Longines Heritage L2.501.9.83.6?
For the Longines Heritage L2.501.9.83.6 in rose gold with a 24.6mm case, the optimal choice is a vegetable-tanned alligator strap: the regular scale pattern harmonises with the warm tone of rose gold and develops a natural patina over time. Alternative refined options include vegetable-tanned calf or calfskin in neutral shades (natural tan, taupe grey, brown). Avoid rigid canvas straps or rubber, which would overburden the slim case proportions.
How do you change the strap on the Longines Heritage L2.501.9.83.6?
To change the strap on the Longines Heritage L2.501.9.83.6, extract the lugs by using a springbar tool. Position the tool's tip beneath the springbar, apply gentle upward pressure until the pin releases, then withdraw the lug. Repeat on the opposite side. To install a new strap, align the lug with the case lugs and compress the springbar until fully seated. If unfamiliar with the procedure, entrust the operation to a specialist watchmaker.
Which aftermarket straps are compatible with the Longines Heritage L2.501.9.83.6?
Any strap measuring 15mm lug width is compatible with the Longines Heritage L2.501.9.83.6. Specialist retailers such as Milano Straps provide an extensive selection of materials (alligator, calf, shell cordovan, canvas), colours and finishes in this lug width. Always verify that the retailer explicitly specifies 15mm in the product description to avoid compatibility errors.
What is the expected lifespan of a leather strap on the Longines Heritage L2.501.9.83.6?
A high-quality leather strap (alligator or vegetable-tanned calf) typically lasts 4–6 years with moderate daily use. Longevity depends on exposure to moisture, perspiration and ultraviolet light. Vegetable-tanned leather develops a patina that enhances its aesthetic appeal, whilst natural wear manifests primarily on the lug. Regular maintenance (gentle cleaning and drying after exposure to moisture) substantially extends the strap's functional life.
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
