Strap for Flagship Chronograph

The lug width of the Longines Flagship L4.796.4.78.2 is 20mm. This measurement refers to the width of the case at the point where the lugs are positioned, and is the decisive parameter for purchasing any compatible strap. It is essential to always verify this measurement before purchase, as a strap of different width will not fit correctly on the case lugs.

For the Longines Flagship L4.796.4.78.2, we recommend straps in alligator leather in brown or cognac tones, a material that combines durability and elegance without competing with the watch's details. Alternatively, vegetable-tanned calf leather offers chromatic versatility and develops natural patina over time. For sporty contexts, NATO or rubber straps remain valid functional options, although the chronograph expresses its aesthetic potential more effectively with traditional materials.

Changing the strap requires extraction of the lugs from the case horns. Using a spring bar tool, press gently on the spring contained within the lug until it slides outward. Once the lug is removed from one side, the old strap comes off easily. Installing the new strap follows the reverse procedure: position the lug and slide it into the horn until the spring repositions securely. If you lack experience, a professional watchmaker can complete the operation in minutes.

Yes, any strap with a 20mm lug width is compatible with the Longines Flagship L4.796.4.78.2, provided it meets the width specification and is crafted from quality materials. Artisanal straps in alligator, vegetable-tanned calf, or shell cordovan offer superior durability and ageing characteristics compared to industrial production. Always verify that the strap is cut to the correct length for your wrist, a parameter that can be customised during ordering.

The lifespan of a leather strap depends on the material and daily use. A high-quality alligator strap guarantees 5-8 years of regular wear without loss of structural integrity. Vegetable-tanned calf offers 3-5 years before replacement becomes necessary, but develops a fascinating patina during the ageing process. Leather fears prolonged exposure to salt water and direct UV rays; proper storage and drying after moisture contact significantly extend longevity.