Technical Archive

Laco
Pilot Watches 861760.2— lug 20mm

Laco Pilot Watches 861760.2: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Pilot Watch Basic Bielefeld Stainless Steel / Black

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Laco 861760.2
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

861760.2

Movement

ETA caliber 6497-1 Hours, Minutes, Small Seconds

The Heritage

The Laco Pilot Watch 861760.2 represents the contemporary evolution of a century-old German watchmaking tradition dedicated to instrumental aviation. Housing a 42 mm stainless steel case with white dial and black indices following Bauhaus principles, this model mounts the ETA 6497-1 manual-wind caliber operating at 18,000 oscillations per minute. The 20 mm lug width accommodates aftermarket straps and pairs with 200 metres water resistance for robust instrument-grade reliability.

FAQ

What is the lug width of the Laco Pilot Watches 861760.2?

The lug width of the Laco Pilot Watches 861760.2 is 20 millimetres. This constructive specification is essential for selecting compatible aftermarket straps. Measurement is performed by positioning a digital calliper between the spring bars that connect the case to the strap, at the precise point where the bars traverse the case.

Which strap material pairs best with the Laco Pilot 861760.2?

The Laco Pilot 861760.2 pairs magnificently with vegetable-tanned calf leather straps—these develop a compelling patina whilst maintaining constructive elasticity. For formal wear, vegetable-tanned alligator communicates elegance and structure. For aviation or intensive recreational use, a natural or synthetic rubber deployante ensures grip and practicality without aesthetic compromise. A fabric NATO strap references the watch's military origins.

How do you change the strap on the Laco Pilot Watches 861760.2?

The strap is changed by removing the spring bars that connect the lugs to the case. A dedicated spring bar tool is employed: insert from beneath the lug, lift the bar gently until the first strap end is released, then repeat from the opposite side. Once both ends are liberated, the old strap slides free. The new 20mm lug-width strap is installed by aligning the holes with the bars and applying gentle pressure until they lock.

Are aftermarket 20mm straps truly compatible with the Laco 861760.2?

Yes, entirely. Aftermarket 20mm lug-width straps sourced from specialist manufacturers fit the Laco 861760.2 perfectly. The critical requirement is that width measures precisely 20 millimetres: narrower (18mm) or wider (22mm) straps would generate lateral play or installation strain. Artisanal straps manufactured with constructive precision guarantee absolute compatibility.

How long do leather straps last on the Laco Pilot Watches 861760.2?

Leather strap longevity depends on material and tanning process. A vegetable-tanned calf strap typically lasts 3–5 years of moderate daily use, developing compelling patina throughout its useful life. A vegetable-tanned alligator strap may reach 5–7 years or beyond, thanks to the grain's superior resistance. A shell cordovan strap exceeds 7–10 years. These timescales extend significantly if the strap is shielded from extreme temperature fluctuations, regularly dried and protected from stagnant moisture.