Strap for Constellation Quartz 27 Polished Stainless Steel / Diamond / MOP

The Omega Constellation 123.15.27.60.55.003 features an <a href="/pages/termine-glossario/misura-ansa">lug width</a> of 18mm. This dimension allows compatibility with all straps in the 18mm collection, available in both standard and custom bespoke versions.

For the Constellation 123.15.27.60.55.003, <a href="/pages/termine-glossario/alligatore">alligator</a> represents the most coherent choice with the model's elegant character. Alternatively, vegetable-tanned <a href="/pages/termine-glossario/concia-vegetale">calf leather</a> offers natural patina and superior longevity. Silk NATO models provide sporting versatility while maintaining sophistication.

To change the strap, you must remove the spring bars from the case lugs using a dedicated tool. On this model with 18mm lug width, the procedure is standard: gently position the spring bar tool under the lug and push downward to release the retaining mechanism. It is recommended to work on a flat surface with adequate lighting, or contact a specialized atelier such as Casati Milano for professional strap replacement.

Yes, any 18mm strap is compatible with the Constellation 123.15.27.60.55.003. The <a href="/pages/termine-glossario/misura-ansa">lug width</a> of 18mm is standard for this reference. On milanostraps.it you will find the entire collection of <a href="https://milanostraps.it/collections/cinturini-orologi-per-misura-ansa-18mm">18mm straps</a> available in stock, including custom options.

A quality leather strap, with <a href="/pages/termine-glossario/concia-vegetale">vegetable tanning</a> or <a href="/pages/termine-glossario/shell-cordovan">shell cordovan</a>, has an average lifespan of 4-6 years with daily wear, with potential extension to 8-10 years with proper maintenance. Lifespan depends on exposure to moisture, UV rays, and frequency of wear. Casati Milano straps are supplied with an 18-month warranty against manufacturing defects.