Longines · Flagship
Strap for Flagship 38.5 Automatic Stainless Steel - Yellow Gold / Champagne / Bracelet
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Flagship L4.974.3.32.7
Selected for the 20 mm lug width · workshop selection
Vintage Black Calfskin Leather Strap€80
Hammered Calfskin Strap Light Blue€98
Hammered Calfskin Watch Strap Green with Ecru Stitching€98
Vintage Olive Green Calf Leather Watch Strap€80
Hammered Black Calfskin Strap — Ecru Stitching€98
The Flagship L4.974.3.32.7, seen from the bench
Frequently asked questions
What is the lug width of the Longines Flagship L4.974.3.32.7?
The lug width (ansa misura) of the Longines Flagship L4.974.3.32.7 is exactly 20 millimetres. This dimension specifies the distance between the lugs where the strap is fitted. Accurate measurement using a digital calliper positioned perpendicular to the case is essential before purchasing an aftermarket strap, ensuring proper compatibility and secure fit.
Which strap material pairs best with the Flagship L4.974.3.32.7?
The Longines Flagship L4.974.3.32.7, with its minimalist satin-finished steel case, accommodates excellence across multiple materials: alligator for formal contexts, vegetable-tanned calf for daily wear with organic patina development, or shell cordovan for those seeking durability and character ageing. Selection depends on primary use—formal elegance favours alligator; daily awareness of natural ageing suggests vegetable-tanned leather; balance between resistance and aesthetics indicates cordovan.
How do I change the strap on my Longines Flagship L4.974.3.32.7?
Strap replacement on the Longines Flagship L4.974.3.32.7 involves the spring bars housed within the case lugs. Using a strap changing tool with notched ends, compress the spring bar slightly on one side to release it from its seat, remove the worn strap, and insert the new strap by allowing the spring bar to snap back into position. This procedure requires no specialist technical knowledge and can be performed with appropriate tools.
Can I fit an aftermarket strap to my Longines Flagship L4.974.3.32.7?
Yes, the Longines Flagship L4.974.3.32.7 accepts any strap with a 20mm lug width. Quality aftermarket straps in leather, rubber, or fabric are fully compatible and enable aesthetic personalisation without compromising the timepiece. Always verify exact 20mm width and ensure strap thickness remains proportionate to case lightness (typically below 4mm thickness).
How long does a leather strap last on the Longines Flagship L4.974.3.32.7?
Leather strap longevity depends on usage intensity, climate, and manufacturing quality. High-quality vegetable-tanned calf typically lasts 3–5 years with daily wear; alligator, being more resilient, reaches 5–8 years; shell cordovan exceeds 10 years. Accelerated deterioration factors include frequent perspiration, prolonged direct sunlight exposure, and moisture not dried promptly. Regular maintenance—cleaning and conditioning—significantly extends strap lifespan.
The next step
The right strap isn't chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only
