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

The lug width of the Longines Master Collection L2.357.0.73.2 is precisely 18mm, measured between the horizontal internal pins from inner shoulder to inner shoulder. This dimension is specific to this model and does not allow compatibility with straps of other thicknesses. To verify the measurement, use a digital calliper positioned perpendicularly between the pins.

The best strap depends on intended use and desired aesthetic register. Nile alligator represents the classical choice, with distinctive geometric grain and natural suppleness, ideal for formal contexts. Vegetable-tanned calf leather is a sophisticated alternative that develops patina over time. For summer, a canvas woven NATO or rubber strap maintains aesthetic legibility in informal settings.

Strap replacement requires removal of the horizontal pins connecting the strap to the case. Use a dedicated tool (spring bar tool) inserted horizontally between lug and pin, apply gentle depression to release the pin, then remove the old strap. Installation of new strap: position the pin in the right lug hole, press gently until it engages, repeat for the left side. Verify that the strap is aligned perpendicularly before closing.

Yes, any aftermarket strap with 18mm lug width is compatible with the Longines Master Collection L2.357.0.73.2. We recommend artisanal straps crafted in quality leather (alligator, calf, shell cordovan) from specialised suppliers. Avoid generic low-quality straps: your Longines deserves an aesthetic partner of proportionate calibre. Always verify that the lug width is precisely 18mm before purchase.

The lifespan of a leather strap depends on leather quality, frequency of use, and environmental conditions. A strap in artisanal alligator or calf leather, with proper maintenance (avoiding prolonged moisture, cleaning with soft cloth), typically lasts 3-5 years with daily wear. Vegetable-tanned leather ages elegantly, developing patina that amplifies authenticity. Standard warranty is 18 months against manufacturing defects.