Longines · Spirit

Strap for Spirit Automatic 42 Stainless Steel - Rose Gold / Green / Macau Edition

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter42 mm
ReferenceL3.811.5.09.9
FamilySpirit
MovementLongines caliber L888.4 hours, minutes, seconds | date | chronometer
Year2022
CaseStainless 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 Spirit L3.811.5.09.9

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Spirit L3.811.5.09.9, seen from the bench

The Longines Spirit L3.811.5.09.9 is a 42mm stainless steel automatic chronometer watch rooted in aeronautical heritage. It features the COSC-certified Longines L888.4 calibre with date function and hours-minutes-seconds display, water-resistant to 300 metres. The 22mm lug width accommodates versatile strap options while maintaining visual harmony with the case proportions. Its oversize crown positioned at 12 o'clock reflects functional aviation instrument design from the early 20th century, prioritizing legibility and reliability.

Frequently asked questions

What is the lug width of the Longines Spirit L3.811.5.09.9?

The lug width of the Longines Spirit L3.811.5.09.9 is 22mm. This dimension represents the internal distance between the upper and lower case lugs. Accurate measurement with a digital calliper is essential to ensure perfect compatibility with any replacement strap.

Which strap would you recommend for the Longines Spirit L3.811.5.09.9?

For the Longines Spirit, we recommend a vegetable-tanned leather strap to maintain the chronometer's instrument character, or Italian calf with fine grain for classical elegance. Vulcanised rubber is ideal for intense sporting use, whilst alligator represents the most formal choice. The selection depends on use context and personal aesthetic preferences.

How do you change the strap on the Longines Spirit L3.811.5.09.9?

Strap replacement requires a specialised tool (spring bar tool) to compress and extract the spring bars from the case lugs. Position the tool's end at the bar's slot, apply calibrated pressure, and gently extract the old strap. Align the new strap's holes with the spring bar and push until secure engagement. If uncertain, consult a qualified watchmaker.

Is an aftermarket strap compatible with the Longines Spirit L3.811.5.09.9?

Yes, any strap with a 22mm lug width is compatible with the Longines Spirit L3.811.5.09.9, provided the spring bars are identical in length and diameter. Verify the exact lug width specification before purchase. Superior-quality straps, such as genuine vegetable-tanned leather or alligator, will ensure aesthetic coherence and lasting durability.

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

Leather strap longevity depends on use intensity, climate, and maintenance. A quality vegetable-tanned or Italian calf strap, worn daily, typically lasts 3–5 years; with alternating use, 5–7 years. Rubber lasts 2–3 years with intensive use. Proper drying after perspiration and occasional application of protective balm can significantly extend strap lifespan.

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