Longines · Heritage

Strap for BelleArti 19 Quartz Stainless Steel Diamond MOP

Takes 12 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width12 mm
Case diameter19 mm
ReferenceL2.194.0.83.4 (aka: L21940834)
FamilyHeritage
MovementLongines caliber L178 Hours, Minutes, Small Seconds
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

The Heritage L2.194.0.83.4 (aka: L21940834), seen from the bench

The Longines Heritage L2.194.0.83.4 is a 19mm stainless steel dress watch featuring the Longines calibre L178 mechanical movement with hours, minutes, and small seconds. With a 12mm lug width, this timepiece combines classical European proportions and versatile construction suitable for both formal and everyday wear. The stainless steel case maintains a sober aesthetic that allows the strap to become the primary styling element.

Frequently asked questions

What is the lug width of the Longines Heritage L2.194.0.83.4?

The lug width of the Longines Heritage L2.194.0.83.4 is 12mm. This measurement represents the internal distance between the watch case lugs and is essential for selecting a compatible strap. To measure correctly, insert a rigid calliper between the two spring bar pins, from the bottom of one lug to the other, ensuring precision.

Which strap is most suitable for the Longines Heritage L2.194.0.83.4?

For the Longines Heritage L2.194.0.83.4, an alligator or vegetable-tanned calf leather in neutral tones (black, brown, burgundy) aligns best with the dress watch DNA. Alligator delivers formal elegance and 4-5 years durability; vegetable-tanned calf develops natural patina over time. A canvas NATO strap offers versatile casual-smart wear. FKM rubber suits users prioritising practicality and minimal maintenance.

How do I change the strap on my Longines Heritage L2.194.0.83.4?

Strap replacement requires a spring bar removal tool, specifically designed to extract the small pins securing the strap to the lugs. Position the watch on a soft support, insert the tool's thin blade into the spring loop, apply gentle pressure and extract the pin. Once removed, align the new strap holes with the pins and press until the locking click is felt. Professional horologists recommend this procedure for delicate operations.

Is the Longines Heritage strap aftermarket compatible?

Yes, all straps with 12mm lug width are mechanically compatible with the Longines Heritage L2.194.0.83.4, regardless of manufacturer. Specialist brands like Milano Straps offer bespoke 12mm straps, customisable in length, material and construction details. Mechanical compatibility is guaranteed; construction quality and longevity vary by maker.

How long does a leather strap last on the Longines Heritage?

Leather strap longevity depends on material type and usage frequency. Vegetable-tanned alligator offers 4-5 years of moderate daily wear; tanned calf 3-4 years. Shell cordovan, if maintained with periodic conditioning, reaches 5-6 years. Determining factors include: sun exposure, humidity, body perspiration, daily versus occasional wear. Rubber and fabric straps offer indefinite durability with minimal maintenance.

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