Strap for Le Locle 39 COSC Stainless Steel - Rose Gold / Silver / Bracelet

The lug width is precisely 19 millimetres. This measurement is essential for selecting compatible straps. It can be verified by measuring the distance between the two spring bars (lugs) that connect the case to the strap, or by consulting Tissot's official technical specifications.

There is no universally 'best' strap, as the choice depends on intended usage. For formal contexts, a dark brown alligator or vegetable-tanned calf leather in burgundy enhances the dress vocation. For daily versatility, a natural calf or black leather performs excellently. For humid or sports-oriented environments, a Cordura NATO or FKM rubber strap offers practicality without compromise.

Position the watch on a soft pad. Use a proper spring bar tool to extract the two spring bars from the case lugs. Remove the old strap. Insert the new spring bars into the lugs, ensuring perfect alignment. Push the bar until it clicks into position. Verify that the strap is securely attached before wearing the watch.

Yes, provided the lug width is exactly 19 millimetres. High-quality artisanal aftermarket straps (such as those available on milanostraps.it) often offer superior materials and greater customisation options compared to OEM straps. Always verify compatibility before purchase.

Durability varies based on material and usage patterns. An alligator strap in vegetable tanning, worn regularly but not daily, can last 3–5 years before replacement becomes necessary. Vegetable-tanned calf leather has similar longevity. Constant exposure to humidity, perspiration, and UV radiation reduces lifespan. Rotating between multiple straps significantly extends the functional life of each.