Technical Archive

Laco
Pilot Watches 861888— lug 18mm

Laco Pilot Watches 861888: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Pilot Watch Basic Stockholm Stainless Steel / Black

Artisanal Note

"This model requires a precise 18mm lug width to preserve the original sartorial balance."

Technical Specifications

Laco 861888
Lug Width
18 mm

The essential strap measurement.

Browse 18mm straps →
Reference

861888

Movement

Miyota caliber 821A Hours, Minutes, Seconds | Date

The Heritage

The Laco Pilot Watch reference 861888 houses the automatic Miyota 821A Calibre with hour, minute, second and date indication. The watch features 18mm lugs and follows the tradition of aviator watches. The movement ensures the essential functions for aerial navigation with mechanical reliability.

FAQ

What is the lug width of the Laco Pilot Watches 861888?

The Laco Pilot Watches 861888 features an 18mm lug width. This dimension is specific to 36mm cases and is essential for selecting a compatible strap. Always measure the external distance between the case lugs, not the internal gap.

Which strap is most suitable for the Laco Pilot Watches 861888?

A strap crafted from vegetable-tanned Tuscan leather in dark brown (tobacco tone) is the most coherent choice, aligned with the Type B military heritage of this model. Alternatively, European calf leather of superior quality or a grey-beige canvas strap maintain historical aesthetic integrity. Avoid alligator straps, which are visually incompatible.

How do you change the strap on this Laco Pilot watch?

The strap is secured via standard lugs. Use a spring bar tool to gently press the metal bars that retain the strap. Insert the tool into the groove beneath the case lug, push, and the strap detaches. To install a new strap, align the holes with the lugs and press firmly until the spring bar clicks into position.

Is the Laco 861888 compatible with aftermarket 18mm straps?

Yes, any strap with an 18mm lug width is mechanically compatible. However, aesthetic coherence requires appropriate materials: quality leather (Tuscan, calf), military canvas, or FKM rubber. Budget leather straps degrade rapidly and do not respect the construction integrity of the Miyota caliber 821A movement.

How long does a leather strap last on this watch?

Durability depends on material and usage. Vegetable-tanned Tuscan leather resists 3–5 years with daily wear, developing a desirable patina over time. Superior calf leather offers 4–6 years of service. Low-quality leather deteriorates within 12–18 months. Wear frequency increases in humid environments. Periodic maintenance (cleaning, conditioning) significantly extends lifespan.