Technical Archive

Zenith
Pilot 11.1940.679/53.C808— lug 20mm

Zenith Pilot 11.1940.679/53.C808: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Pilot Type 20 Extra Special 40 Aged Stainless Steel / Blue

Artisanal Note

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

Technical Specifications

Zenith 11.1940.679/53.C808
Lug Width
20 mm

The essential strap measurement.

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Reference

11.1940.679/53.C808

Movement

Zenith caliber Elite 679 Hours, Minutes, Seconds

The Heritage

The Zenith Pilot 11.1940.679/53.C808 is a 40mm chronograph representing the contemporary evolution of an icon established in 1903 when the Swiss Le Locle manufacture became official supplier to French aviation. The stainless steel case features a squared architecture with three-dimensional bezel, while the extreme-contrast dial with luminescent appliqués and skeletonized hands ensures high-altitude readability. Powered by the Zenith Elite 679 caliber, this instrument combines military functionality with civil elegance. Lug width is precisely 20mm.

FAQ

What is the lug width of the Zenith Pilot 11.1940.679/53.C808?

The lug width of the Zenith Pilot 11.1940.679/53.C808 is exactly 20mm. This size is standard for all Pilot models in the family and allows you to mount any strap designed for this width without compatibility or stability issues.

Which strap is most suitable for the Zenith Pilot 11.1940.679/53.C808?

For the Pilot we recommend matte alligator in ebony or dark brown for a vintage-contemporary balance, or vegetable-tanned leather with pronounced grain to emphasize the military character. If you prefer an aviator look, a grey anthracite Cordura NATO strap maintains the heritage while modernizing the profile. The choice depends on intended use and dial color.

How do you change the strap on the Zenith Pilot 11.1940.679/53.C808?

Strap changing requires a spring bar tool to extract the spring bars from the case lugs. Insert the tool into the dedicated hole under the lug, press inward to compress the bar and simultaneously pull the lug toward you. Repeat on the other side. For installation, align the new strap and reintroduce the bars until you hear the click. If you don't have the tools, consult a specialized watchmaker.

Does the Zenith Pilot 11.1940.679/53.C808 accept compatible aftermarket straps?

Yes, the Pilot accepts any quality 20mm strap, as the attachment is integrated into the case and compatible with all models of this width. However, to preserve the aesthetic and functional balance of the case, it is advisable to choose materials and finishes that respect the instrumental character of the watch: alligator, leather, NATO and quality rubber are the most suitable choices.

How long does a leather strap last on the Zenith Pilot 11.1940.679/53.C808?

The durability of a leather strap depends on use, leather quality and maintenance. A quality artisanal calf or alligator, with moderate use and regular drying after water contact, guarantees an average life of 3-5 years. The lug, subject to continuous bending, tends to wear first; Casati Milano straps include 18-month warranty and structural repairs in case of manufacturing defects.

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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