Strap for Avant-Garde Quartz Big Date White / Strap

The lug width of the Eterna Contemporary 2545.41.60.1340 is 20 millimetres. This measurement refers to the distance between the two lugs of the case and determines the nominal thickness of the compatible strap. A strap with 20mm lug width fits perfectly to the attachments, ensuring mechanical stability and balanced aesthetic proportion relative to the case's 42mm diameter.

For the Contemporary 2545.41.60.1340, several material options are recommended depending on intended use. Alligator leather with vegetable tanning represents the highest prestige solution, developing natural patina over time. Full-grain calf leather offers modern aesthetic linearity and tactile softness. For a sport-casual approach, robust canvas NATO straps are ideal, allowing strap changes without tools. Vulcanised rubber is the functional choice for humid environments or controlled water activities.

Changing the strap on the Contemporary requires a specific tool: a spring bar tool that allows compression of the springs on the pins fixing the strap to the lugs. Gently insert the flat end of the tool under the pin from the lower side, apply controlled pressure to compress the spring, then extract the pin. Repeat for both attachments. Installation of the new strap follows the reverse procedure: position the pins in the lugs and press until the spring locks.

Yes, any artisanal strap with 20mm lug width is compatible with the Contemporary 2545.41.60.1340, provided it strictly respects the nominal width. Artisanal straps in full-grain leather, vegetable-tanned leather and alternative materials are fully compatible with the case's lug attachments. It is essential to verify that the width is exactly 20mm to ensure absence of lateral play and preserve the mechanical integrity of the attachments.

The lifespan of a full-grain leather strap depends on frequency of use, environmental conditions and construction quality. An artisanal strap in vegetable-tanned leather well-maintained guarantees a lifespan of between 3 to 5 years of intensive daily use. The natural patina that develops over time represents an aesthetic enhancement, not a degradation. Prolonged exposure to moisture and perspiration accelerates wear, whilst regular maintenance (cleaning, treatment with specific balms) significantly extends the strap's useful life.