Strap for Constellation Co-Axial 35 Small Seconds Red Gold / Diamond / MOP Supernova

The lug width is 18 millimetres. This measurement is integrated into the case and represents a distinctive construction characteristic of the 35mm red gold model. It is essential to verify that any aftermarket strap is sized for 18mm attachments to ensure a fit without play or forcing.

For this Constellation we recommend cognac-toned alligator or vegetable-tanned calf leather. Both respect the elegant proportions of the timepiece and create harmonious chromatic synergies with the red gold case. Alligator offers regularity of grain, while vegetable-tanned calf develops a fascinating natural patina over time.

The strap is mounted and removed using specialised tools (spring bar removal tools) in the integrated case attachments. Since the attachments are welded to the case, it is advisable to consult a skilled watchmaker to avoid scratches on a red gold case. Casati Milano offers replacement service with personalised consultation.

All straps manufactured with an 18mm lug width are compatible. On milanostraps.it you will find a wide collection of 18mm straps in alligator, calf, shell cordovan and rubber, customisable in sizes and details. Compatibility is certified for the 123.58.35.20.55.002.

An artisanal quality alligator or calf strap resists 2-4 years with intensive daily use, considering exposure to humidity, heat and friction. Durability depends on the tanning method (vegetable vs synthetic), the level of finishing and maintenance. Casati Milano straps include an 18-month warranty and can be regenerated through reconditioning at the atelier.