Strap for Flagship 38.5 Black

The lug width of the Longines Flagship L4.874.4.52.2 is 20 mm. This measurement is specific to this model and is determined by the case diameter (38.50 mm) and the distance between the lugs. A 20 mm strap ensures proper visual integration and compatibility with buckles and deployante systems.

The most elegant choice is alligator leather in vegetable tanning, available in tobacco brown, dark blue, or black. For versatility, smooth calf leather offers softness and develops a natural patina. Shell cordovan guarantees exceptional durability and fine grain. For summer wear, a nylon NATO strap in technical fabric is practical and contemporary. Your choice depends on usage context and personal preference.

Strap replacement is straightforward: use a spring bar tool (a T-shaped device often included with straps). Position the tip in the groove between the lug and the pin, applying gentle pressure to retract the internal spring. This allows you to remove the pin and swap the strap. Avoid abrupt movements to prevent scratching the case.

Yes, milanostraps.it offers an extensive range of 20 mm compatible straps, customizable in length, initials, and thread colour. Options include leather (alligator, calf, shell cordovan), fabric (NATO), and rubber. Casati Milano atelier also creates bespoke made-to-measure straps with an 18-month warranty.

A quality leather strap (alligator, calf, or shell cordovan) typically lasts 3–5 years with daily wear, provided it is properly maintained. Vegetable tanned leather is more robust than chrome-tanned alternatives. Prolonged exposure to fresh or salt water accelerates wear; it is advisable to avoid frequent immersion and to alternate straps to allow natural drying.