Strap for Master Collection Date 34 Stainless Steel / Beige - Diamond

The Longines Master Collection L2.357.4.07.2 features an 18 mm lug width, which is specific to the 34 mm case size. This measurement ensures harmonic proportions with the case diameter. To verify the lug width, measure the distance between the two metal spring bar ends protruding from the case lugs.

The ideal strap selection depends on usage: for formal occasions, honey or dark tobacco alligator delivers understated elegance; for daily versatility, vegetable-tanned calf offers comfort and gradual patina development. Shell cordovan represents the choice for those seeking exceptional density and intrinsic lustre over time. For informal contexts, a natural vulcanised rubber or NATO strap permits aesthetic fluidity without compromising legibility.

Strap change requires a spring bar tool, the dedicated instrument for removing spring bars from the case lugs. Insert the tool into the small lateral grooves of the spring bars, apply gentle downward pressure to retract them, and extract the previous strap. The new 18 mm strap slides into position by threading the spring bars into the designated holes until full engagement is achieved. Professional assistance remains the recommended option for those unfamiliar with the procedure.

Yes, it is fully compatible with aftermarket straps of 18 mm lug width from specialised vendors. Ensure the strap has been manufactured specifically for 18 mm lug width, as this measurement is non-standard. Spring bars must be of appropriate diameter and length (generally 1.80 mm diameter). Artisanal straps from milanostraps.it are constructed to 18 mm specification and guarantee perfect compatibility.

A quality artisanal leather strap—in alligator, calf, or shell cordovan—offers an average lifespan of 3–5 years with regular use and conscious maintenance. Longevity depends on intensity of wear, climatic conditions, and tanning method selected. Vegetable-tanned leather patinas and densifies over time, becoming more resilient. Humidity fluctuations and thermal stress (direct sunlight, moisture) accelerate wear. A well-maintained strap—cleaned periodically and stored in humidity-controlled environments—can achieve extended durability across years. Straps from milanostraps.it include an 18-month guarantee on stitching and materials.