Strap for S.A.R. Flieger Chronograph Black / Bracelet

The Mühle Glashütte S.A.R. M1-41-33-MB features a lug width of 22mm. This measurement, larger than the standard 20mm, was selected to ensure structural stability and compatibility with more robust straps, ideal for search and rescue operations.

For this professional chronograph, we recommend three principal options: NATO for operations requiring rapid strap changes and maximum reliability; vegetable-tanned leather for institutional environments where functional elegance is necessary; synthetic rubber for maritime scenarios where waterproofing and easy maintenance are paramount. The choice depends on the specific operational environment.

The change occurs through the lateral lugs of the case: gently press inward on the lower lug to disengage it, remove the old strap, and insert the new one by engaging it to the designated seats. For NATO straps, simply pass the fabric strap through both lugs. Using a specific tool (spring bar tool) is recommended to avoid damage.

Yes, all straps with 22mm lug width are compatible. Milano Straps offers artisanal straps in leather, rubber, and fabric specifically dimensioned for this width. Italian artisanal quality ensures superior finishing and durability compared to OEM straps whilst maintaining full mechanical compatibility.

A quality leather strap, with vegetable tanning, maintains its mechanical properties for 3–5 years in ordinary use. In maritime environments with frequent saltwater contact, durability reduces to 2–3 years. Replacement is recommended when the leather begins to show cracks in the fibre or when the buckle no longer adheres completely.