Longines · Heritage

Strap for Weems Second-Setting Watch Pink Gold Roman

Takes 25 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width25 mm
Case diameter48 mm
ReferenceL2.713.8.11.0 (aka: L27138110)
FamilyHeritage
MovementLongines caliber L699 Hours, Minutes, Seconds
CasePink Gold

Spring bar

Swiss Standard universal spring bars

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

The Heritage L2.713.8.11.0 (aka: L27138110), seen from the bench

The Longines Heritage L2.713.8.11.0 is a pink gold aviator chronograph reinterpreting 1930s military-aviation timepieces. It features a 47.50mm case diameter, the Longines caliber L699 movement, and a 25mm lug width. Pink gold—a copper-rich alloy—develops natural patina over time, blending military heritage with civilian sophistication. The substantial case size demands proportional strap selection to maintain aesthetic balance.

Frequently asked questions

What is the lug width of the Longines Heritage L2.713.8.11.0?

The Longines Heritage L2.713.8.11.0 features a lug width of 25mm. This measurement is specific to the model and must be measured between the two spring bar attachments on the case. A strap of different width (24mm or 26mm) will not fit correctly and will cause play or forced fitting.

What is the best strap for the Longines Heritage L2.713.8.11.0?

For the Longines Heritage L2.713.8.11.0, genuine alligator leather is the most aesthetically and constructively appropriate choice. Calf leather is an excellent more accessible alternative. Shell cordovan offers natural patina development over time, whilst NATO fabric permits a sportier interpretation of the model. All materials must be in 25mm width.

How do I change the strap on the Longines Heritage L2.713.8.11.0?

To change the strap, use a specialised tool called a spring bar tool. Insert the tip into the lateral slot of the upper lug to release the internal spring, then extract the spring bar. Repeat for the lower lug. Insert the new strap, aligning it perfectly to the 25mm width, and push until the spring clicks into place.

Does the Longines Heritage L2.713.8.11.0 accept compatible aftermarket straps?

Yes, the Longines Heritage L2.713.8.11.0 accepts high-quality aftermarket straps in 25mm width. Milano Straps offers a curated selection of artisanal straps in alligator, calf, shell cordovan and fabrics, all calibrated for this measurement and customisable in length, thread colour and finishes.

How long does a leather strap last on the Longines Heritage L2.713.8.11.0?

The lifespan of a leather strap depends on material, usage and maintenance. A quality alligator or calf strap can last 3-5 years with daily wear, up to 7-10 years with occasional use. Vegetable-tanned leather, used by Milano Straps, develops natural patina and improves over time with proper care. Periodic cleaning and UV protection significantly extend useful 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.

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