Longines · Heritage

Strap for BelleArti 24.6 Pink Gold

Takes 15 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width15 mm
Case diameter25 mm
ReferenceL2.501.8.83.6 (aka: L25018836)
FamilyHeritage
MovementLongines caliber L176 Hours, Minutes, Small Seconds
CaseMother of Pearl

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

The Heritage L2.501.8.83.6 (aka: L25018836), seen from the bench

The Longines Heritage reference L2.501.8.83.6 is powered by the L176 caliber with hour, minute and small seconds functions. The model features 15mm lugs and is part of the brand's Heritage collection. The movement offers time indication with a subdial for the seconds.

Frequently asked questions

What is the exact lug width of the Longines Heritage L2.501.8.83.6?

The lug width of the Longines Heritage L2.501.8.83.6 is precisely 15mm. This is a non-standard intermediate size requiring purpose-built straps. To verify compatibility, measure the distance between the two lugs (the horizontal pins) using a digital calliper, taking care not to confuse this dimension with strap thickness.

Which strap material is most suitable for the Longines Heritage L2.501.8.83.6?

For this feminine model with mother-of-pearl dial, we recommend crocodile leather with vegetable tanning in dark tones (brown, black), Italian calf in neutral or vibrant colours, or vegetable-tanned shell cordovan which develops natural patina over time. Material choice depends on usage: daily wear, formal occasions, or seasonal rotation. Crocodile offers maximum elegance, calf versatility, and shell cordovan aesthetic longevity.

How do you change a strap on a watch with 15mm lugs?

To change a 15mm lug strap: 1) Obtain a two-pronged spring bar tool. 2) Position one prong in the groove of the pin from one side. 3) Apply gentle pressure to release and remove the pin. 4) Repeat on the opposite side. 5) Align the new strap's holes with the pins. 6) Reinsert pins until they lock securely. Do not apply excessive force to avoid damaging the case.

Can I use an aftermarket compatible strap on my Longines Heritage L2.501.8.83.6?

Yes, absolutely. Any strap with 15mm lugs is mechanically compatible with the L2.501.8.83.6. Artisanal straps in crocodile, calf, shell cordovan, or natural rubber from specialist makers offer construction quality equal to or superior to OEM straps. Always verify that the strap pins correspond to the 15mm width and that thickness is proportionate to the case.

What is the typical lifespan of a leather strap before replacement?

A premium leather strap (genuine crocodile, shell cordovan, Italian calf) worn daily typically lasts 3-5 years before material wear necessitates replacement. Longevity depends on: frequency of wear, humidity exposure, care and maintenance (periodic conditioning with vegetable oils). Vegetable-tanned materials develop patina that becomes more interesting over time. Natural rubber straps typically last 2-3 years before hardening occurs.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only