Strap for Oris Big Crown 01 754 7741 4081

The lug width is 20mm. This dimension is specific to the model and reflects the historical proportions of aviation watches. When purchasing an aftermarket strap, verify that it is designated for 20mm lugs to ensure perfect compatibility and secure fit on the wrist.

The choice depends on your daily use. A vegetable-tanned leather strap in brown, cognac, or military green enhances the watch's aviation heritage. Alligator offers durability and measured luxury. NATO canvas straps remain the most versatile solution: change the look in seconds without tools. For sports or aquatic environments, FKM rubber (Fluoroelastomer) is unmatched.

Each end of the original strap is held by a metal bar (spring bar) that passes through the lugs of the case. Using a spring bar removal tool, apply gentle pressure on one side of the bar to release it. Remove the old strap and insert the new one, ensuring the ends align with the case guides. No watchmaker is required for this operation.

Yes, provided it is certified for 20mm lug width. Any aftermarket 20mm strap—whether artisanal leather, military NATO, or technical rubber—will be compatible. Milano Straps offers a curated selection of 20mm straps with rapid delivery, customizable online.

A quality vegetable-tanned leather strap, with proper care, lasts 3–5 years of daily wear before significant wear appears. The patina that develops during this period increases the aesthetic value of the strap itself. Prolonged exposure to moisture reduces lifespan; occasional cleaning with a soft dry cloth extends its life. Alligator or shell cordovan straps last longer due to fibre density.