Strap for Constellation Quartz 24 Polished Stainless Steel / Red Gold / Brown Supernova

The lug width of model 123.20.24.60.63.002 is 20 millimetres. This dimension is specific and non-standard; it is essential to verify it with a digital calliper before purchasing an aftermarket strap, as 18mm or 22mm straps will not fit the case lugs.

Alligator in dark shades (brown, burgundy, black) represents the most faithful choice for a classic luxury context. Alternatively, vegetable-tanned calf or shell cordovan offer superior durability and character. Avoid rubber or NATO straps that diminish the elegance of this dress watch.

Remove the current strap by inserting a flat tool (spring bar tool) into the side passage, gently compressing the retaining pin until the lug is released. Insert the new strap ensuring the pins pass correctly through the lugs without forcing. Verify that the strap is firmly secured before wearing the watch.

Yes, Milano Straps offers a collection of 20mm straps online ready for shipment, customisable in sizes, initials and thread colour. For a bespoke experience, the Casati Milano atelier creates custom-made straps with personal leather selection, WhatsApp updates and 18-month warranty.

A high-quality alligator or artisanal calf strap typically lasts 3-5 years with daily wear, developing a characteristic patina. Shell cordovan, thanks to fibre density, can exceed 7-8 years. Durability depends on tanning (vegetable ages more rapidly), frequency of wear and routine care. Milano Straps covers straps with an 18-month warranty.