Strap for Master Collection 40 Date Stainless Steel - Pink Gold / Silver

The lug width of the Longines Master Collection L2.793.5.70.2 is 21 millimetres, a standard dimension that facilitates compatibility with quality aftermarket straps. This measurement represents the distance between the two attachment points on the watch case lugs where the strap engages. To verify it, remove the watch from your wrist and measure the space between the two lugs: 21mm permits the use of noble leathers such as alligator, shell cordovan, and calf in considerable variety.

The ideal strap depends on intended use and aesthetic preferences. For formal contexts, black alligator offers sober elegance; cognac shell cordovan creates warm harmony with the rose gold case and develops rich patina over time. Vegetable-tanned calf represents a balance between versatility and longevity, whilst technical rubber is recommended for humid climates and water sports. The 21mm width ensures total compatibility with all these materials in optimal thicknesses (4-6mm).

Changing the strap requires two essential tools: a spring bar tool and careful hands. Position the watch on a stable surface, identify the small metal springs inside the lugs, insert the tool to compress them, and slide off the old strap. Repeat the procedure from the other side. When inserting the new strap, ensure the springs are correctly positioned on both sides, avoiding twists or excessive pressure on the bi-metallic case.

Yes, the L2.793.5.70.2 is fully compatible with 21mm aftermarket straps. However, the choice of manufacturer is crucial: noble leathers such as alligator, shell cordovan, and vegetable-tanned calf ensure aesthetics and durability proportionate to the value of the bi-metallic case. Avoid inexpensive straps that could detract from the watch's elegance; consult specialists like milanostraps.it for certified compatibility and verified leathers.

A quality leather strap (alligator, shell cordovan, vegetable-tanned calf) lasts approximately 3-5 years with daily use, developing patina and grain characteristics that make it increasingly personalised. Longevity depends on factors such as frequency of use, moisture exposure, care, and material. Shell cordovan is particularly durable owing to the density of equine fibre. A poorly made leather strap may degrade within 12-18 months. Periodic maintenance and protection from humidity significantly extend useful life.