Strap for Constellation Co-Axial 31 White Gold / Diamond / MOP Supernova

The lug width measures exactly 20mm, an international standard for this model. It is essential to verify this measurement before ordering a strap: an incorrect width results in incompatibility and unstable fit. Measure the distance between the case attachment points with a digital caliper to confirm the specification.

Alligator is the traditional choice, thanks to its regular texture and natural grain that creates a sophisticated contrast with 18kt white gold. Vegetable-tanned calf leather offers an elegant alternative with natural aging of the skin. For everyday versatility, rubber and NATO fabric provide practicality without aesthetic compromise.

Use a spring bar tool to extract the small metal pins that secure the strap to the case lugs. Remove the pins carefully to avoid scratching the white gold, take off the old strap and insert the new one by correctly aligning the lug holes. Reposition the pins until you feel the locking click.

Yes, provided the lug width is exactly 20mm and the lug is correctly shaped for the case seat. Milano Straps certifies each strap in the 20mm collection for complete compatibility with your model, ensuring a perfect fit and stable wear over time.

A quality leather strap, with vegetable tanning and artisanal craftsmanship, lasts an average of 3-5 years with daily wear. Durability depends on personal perspiration, sun exposure and cleaning frequency. Milano Straps guarantees 18 months on all straps, covering manufacturing defects and abnormal wear.