Laco · Pilot Watches

Strap for Pilot Watch Original Leipzig Stainless Steel / Black

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
Reference861747
FamilyPilot Watches
MovementETA caliber 2824-2 hours, minutes, seconds | date
Year2019
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 Pilot Watches 861747

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Pilot Watches 861747, seen from the bench

The Laco Pilot Watch 861747 is a 42mm stainless steel AISI 316L instrument watch featuring the Swiss automatic ETA 2824-2 movement. The black dial displays Arabic numerals and SuperLuminova lume indices for high contrast readability. The watch includes a sapphire crystal with anti-reflective coating, 12mm case thickness, and 20 bar water resistance. The 22mm strap width derives from historical German military standardization for field compatibility and quick replacement.

Frequently asked questions

What is the lug width of the Laco Pilot Watches 861747?

The lug width of the Laco Pilot Watches 861747 is 22mm. This standard measurement allows compatibility with any strap of the same dimension. To verify, position a ruler across the internal space between the lugs: the 22mm standard is also stamped inside the case for technical confirmation.

Which strap is best suited for the Laco Pilot Watches 861747?

The Laco 861747 pairs ideally with straps that respect the formal severity of the original design. We recommend: (1) Dark brown shell cordovan in vegetable tanning for historical elegance with evolving patina; (2) NATO in black nylon or canvas for authentic military continuity; (3) Grey alligator with quick-release deployante for office-to-adventure versatility. Avoid elaborate textures or vibrant colours that compete with the black dial.

How do I change the strap on the Laco 861747?

The procedure requires: (1) Position the watch on a stable surface; (2) Locate the two spring bars protruding from 3 and 9 o'clock on the dial; (3) Using a spring bar tool (or pen tip), gently press the thin internal spring to release tension; (4) Extract the bar from its seat; (5) Insert the new strap, aligning the holes with the lugs, repeating the process. Total time: 2 minutes for experienced hands.

Are aftermarket straps compatible with the Laco 861747?

Yes. The Laco 861747 utilises an international standard of 22mm that permits compatibility with any brand's strap, provided measurement is precise. Milano Straps offers extensive 22mm selections in leather, NATO, and rubber, all verified for adjustment without play or excessive tension. Artisanal quality ensures longevity superior to generic OEM accessories.

How long does a leather strap last on a daily-worn watch?

A quality leather strap (shell cordovan or calf in vegetable tanning) resists 3-5 years of moderate daily wear before requiring replacement. Durability depends on: wear frequency, climate (humidity degrades fibres), sunlight exposure (UV fades colour), perspiration (salt corrodes adhesive). Milano Straps proposes vegetable-tanned leathers that maintain superior elasticity. Basic maintenance (nocturnal drying, semi-annual conditioning) extends lifespan to 7 years.

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