Strap for Pilot 45 Automatic Stainless Steel / Black

The Archimede Pilot UA7949-A1.2 is equipped with a 20mm lug width. This measurement represents the internal distance between the case attachment pins and determines strap compatibility. You can verify this dimension by measuring the internal space between the lugs with a ruler, or by consulting the factory documentation provided with the watch.

The most appropriate strap depends on your usage and preferred aesthetic direction. For formal classical expression, we recommend an alligator or vegetable-tanned calf leather in brown tones. For everyday versatility, a NATO strap in ballistic canvas or nylon guarantees practicality and chromatic reversibility. For a purely functionalist approach, a structured rubber strap expresses the original instrumental logic.

The procedure is straightforward: position the watch with the case facing you and locate the small holes on the outer side of the lugs. Using a spring bar removal tool or a fine blade, gently push towards the centre of the case to release the elastic pin. Once the pin is extracted, the original strap separates from the lug. Insert the new strap and reinsert the pin, ensuring it is locked symmetrically.

Yes, the 20mm standard ensures compatibility with any strap manufactured for this lug width. However, it is essential to verify that the strap does not present excessive thickness at the attachment point: some models with rigid passants may exhibit unwanted play. We recommend artisanal straps from specialist suppliers, where the passants are proportioned to the case geometry.

Longevity depends on the material, frequency of use, and maintenance. High-quality alligator, with regular conditioning, maintains structural integrity for 3–5 years of daily use. Vegetable-tanned calf, being more robust, can extend to 5–7 years. NATO straps, not being natural materials subject to desiccation, can last indefinitely. The critical component is the buckle or deployant: if the closure mechanism wears out, the strap remains usable but requires a new closure.