Longines · Flagship

Strap for Flagship 35.6 Day Date Stainless Steel

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter36 mm
ReferenceL4.799.4.72.6 (aka: L47994726)
FamilyFlagship
MovementLongines caliber L636 Hours, Minutes, Seconds | Date, Day
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

The Flagship L4.799.4.72.6 (aka: L47994726), seen from the bench

The Flagship represents a classic Longines line characterized by an elegant design and essential functions. The reference L4.799.4.72.6 mounts the L636 caliber with hour, minute, second, date and day of the week indication. The watch features 18mm lugs for the strap.

Frequently asked questions

What is the lug width of the Longines Flagship L4.799.4.72.6?

The Longines Flagship L4.799.4.72.6 features a lug width of 18 millimetres. This specific dimension ensures compatibility exclusively with straps equipped with 18mm terminals. When measuring your lug width, ensure you measure the distance between the two lug holes (where the strap inserts), rather than the external width of the case.

Which strap best suits the Longines Flagship L4.799.4.72.6?

The Longines Flagship L4.799.4.72.6, with its 35.6mm case and brushed stainless steel finish, pairs beautifully with alligator straps in dark brown or black for formal occasions, vegetable-tanned calf leather for daily wear, or shell cordovan for extreme durability. NATO or rubber straps offer practical versatility for recreational activities without compromising overall elegance.

How do I change the strap on my Longines Flagship L4.799.4.72.6?

To change the strap on your Longines Flagship L4.799.4.72.6, you'll need a spring bar tool or equivalent instrument. Gently push the spring bar pin from one side, remove it completely, then slide out the old strap. Align the new strap's terminals (18mm) with the lug slots, reinsert the spring bar pin until it clicks fully into place. Work carefully to avoid scratching the case.

Can I fit an aftermarket strap to this Flagship?

Yes, the Longines Flagship L4.799.4.72.6 is fully compatible with quality aftermarket straps, provided they measure precisely 18 millimetres in width. Artisanal straps in alligator, calf, shell cordovan, or NATO fabric will mount perfectly when manufactured to specification. Always confirm 18mm compatibility with your supplier before purchase.

How long does a leather strap last on the Longines Flagship L4.799.4.72.6?

Leather strap longevity depends on tanning quality, daily usage patterns, and climate exposure. A well-maintained alligator or vegetable-tanned calf strap typically lasts 3-5 years with regular wear. Shell cordovan, being thicker and more robust, often exceeds 7 years of service. Humidity, perspiration, and direct sunlight accelerate deterioration. Rotating between two straps will extend the lifespan of both.

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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