Technical Archive

Laco
Pilot Watches 862103— lug 20mm

Laco Pilot Watches 862103: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Pilot Watch Original Aachen Blaue Stunde Stainless Steel / Blue

Artisanal Note

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

Technical Specifications

Laco 862103
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

862103

Movement

Miyota caliber 821A Hours, Minutes, Seconds | Date

The Heritage

The Laco 862103 is a 42mm stainless steel pilot watch featuring a Miyota 821A quartz movement with date and small seconds. This Flieger-style timepiece maintains the functional design philosophy of Luftwaffe aviation chronographs, with Arabic numerals, luminescent baton indices, and a 3 o'clock crown. The 20mm lug width ensures proportional wrist integration and accommodates numerous aftermarket strap options.

FAQ

What is the lug width of the Laco Pilot Watches 862103?

The Laco 862103 features a 20mm lug width. This measurement is taken from the inner metal bridge between the two lugs (case attachments) and is proportioned to the 42mm case diameter, ensuring visual harmony and comfortable wrist wear.

Which strap is best suited for the Laco 862103?

For the Laco 862103, we recommend a vegetable-tanned calf leather strap in cognac or natural brown for daily wear, or a cotton-nylon NATO for greater tactical versatility. Vegetable-tanned alligator offers refined aesthetic contrast. For aquatic environments, a moulded FKM rubber maintains functionality without compromise.

How do you change the strap on this watch?

Turn the Laco 862103 dial-side down. Using a spring bar tool (a small metal implement with a forked tip), insert the point under the spring bar end that secures the strap. Press gently outward: the bar will release and the strap will detach. Repeat on the other side. To install the new 20mm strap, align the holes and reinsert the spring bar until it clicks.

Are aftermarket 20mm straps compatible with the Laco 862103?

Yes, all straps with a 20mm lug width are compatible. Lug width standardisation ensures that any aftermarket strap (leather, NATO, rubber, etc.) fits the 862103 lugs perfectly, provided it meets the 20mm width requirement and appropriate length for your wrist.

How long does a leather strap last on a watch like the Laco 862103?

A quality vegetable-tanned calf strap lasts approximately 18–36 months with daily wear, depending on moisture and perspiration exposure. Natural patina develops over time, adding character. Shell cordovan or alligator straps last longer (4–6 years) due to greater fibre density. Rotating straps extends each one's lifespan by allowing the leather to dry.