Strap for Constellation Quartz 24 Brushed Stainless Steel / Yellow Gold / Diamond / Wavy MOP

The Omega Constellation with reference 123.25.24.60.55.011 has a lug width of 20 millimetres. This dimension is standard for ladies' models in this collection and defines compatibility with any aftermarket strap. It is the distance between the two pins that protrude from the case and insert into the strap lugs.

Alligator with vegetable tanning in black tone or calf with vegetable finish are the most refined choices for this model. Alligator creates a minimalist contrast with the mother-of-pearl dial, while calf develops a natural patina that harmonises over time with the yellow gold case. Shell cordovan in bordeaux offers an extraordinary colour pairing thanks to the lustre that both materials develop with age.

Use a spring bar remover tool to gently extract the pins from the case lugs. Do not force: the pins have an internal spring and can be damaged if extracted irregularly. Once freed, insert the new strap by aligning the holes with the lugs and reinsert the pins. If you are not experienced, the Casati Milano atelier offers this service with warranty by appointment.

Yes, provided the lug width is exactly 20 millimetres. Milano Straps offers artisanal straps compatible with the Constellation 123.25.24.60.55.011, customisable in leather, colour, initials and stitching thread. Always verify that the strap has been measured for this specific lug width to avoid unwanted play or geometric incompatibility.

A high-quality vegetable-tanned leather strap, worn on an Omega Constellation ladies' watch such as the 123.25.24.60.55.011, has a lifespan of 3–5 years with daily wear, extendable to 7–10 years with rotation with other straps. Durability depends on exposure to sweat, humidity and frequency of wear. Milano Straps provides an 18-month warranty on all bespoke straps from the Casati Milano atelier.