Longines · Admiral

Strap for Admiral Chronograph Ceramic

Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width21 mm
Case diameter42 mm
ReferenceL3.667.4.06.7 (aka: L36674067)
FamilyAdmiral
MovementLongines caliber L705.2 Hours, Minutes, Small Seconds | Date | Chronograph
CaseCeramic, Stainless Steel

Spring bar

Swiss Standard universal spring bars

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

Straps for the Admiral L3.667.4.06.7 (aka: L36674067)

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Admiral L3.667.4.06.7 (aka: L36674067), seen from the bench

The Longines Admiral L3.667.4.06.7 (ref. L36674067) is a 42 mm chronograph combining stainless steel and ceramic case construction with a unidirectional ceramic bezel. Powered by the Longines calibre L705.2 manual-wind movement featuring hours, minutes, small seconds, date window, and chronographic functions with minute counter, visible through a display caseback. The distinctive 21 mm lug width requires precise strap selection to ensure proper fitment and avoid damaging the lugs.

Frequently asked questions

What is the correct lug width for the Longines Admiral L3.667.4.06.7?

The lug width of the Longines Admiral L3.667.4.06.7 is 21 mm. This is a non-standard measurement, so it is essential to verify it before purchasing an aftermarket strap. The measurement must be taken between the lugs of the case at the point where the strap is inserted. 20 or 22 mm straps are not compatible and may damage the case.

Which leather strap do you recommend for the Longines Admiral L3.667.4.06.7?

For the Longines Admiral we recommend alligator in dark brown or black tones, which enhances the chronograph's authority without competing visually with the counters. Alternatively, vegetable-tanned calf leather offers modern sobriety and develops a natural patina over time. Shell cordovan is a sophisticated choice for those seeking durability and aesthetic evolution in the long term.

How do you change the strap on the Longines Admiral L3.667.4.06.7?

To change the strap, you will need spring bars of the correct length for the 21 mm lug width. Use a dedicated spring bar tool to avoid damaging the case. If you are unsure of the procedure, we recommend consulting a professional or contacting the Casati Milano atelier for personal assistance.

Are there aftermarket straps compatible with the Longines Admiral L3.667.4.06.7?

Yes, milanostraps.it offers a selection of customisable 21 mm straps in sizes, initials and stitching thread. The straps are handcrafted and shipped quickly. For an even more premium experience, Casati Milano creates bespoke straps with personal choice of leather and an 18-month warranty.

How long does a leather strap last on a chronograph like the Longines Admiral?

The lifespan of a leather strap depends on the quality of the material and usage. A quality artisan alligator or shell cordovan has an average life of 4-6 years with regular use. Vegetable-tanned calf offers similar durability with the advantage of developing authentic patina over time. Casati Milano straps include an 18-month warranty and can be renewed directly at the atelier.

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