Strap for Constellation Quartz 25.5 Stainless Steel / Red Gold / Diamond / MOP Supernova / 160 Years

The Omega Constellation 111.25.26.60.55.001 features a lug width of 20mm. This dimension is measured from the internal distance between the two lug terminals and is essential to ensure compatibility with aftermarket straps and bracelets. Precise measurement with a caliper is necessary to avoid incorrect purchases.

For the Constellation 111.25.26.60.55.001, alligator leather represents the choice of maximum elegance thanks to its characteristic grain and visual contrast with the mother-of-pearl dial. Vegetable-tanned calf leather offers natural softness and evolving patina, while shell cordovan guarantees distinctive aging. For versatile use, woven NATO straps combine practicality and chromatic versatility on this compact model.

Strap replacement requires the use of a specific tool (spring bar tool) to remove the elastic pins that secure the lugs to the case. Gently extract the pin by compressing the internal spring, remove the used strap, insert the new strap by aligning it perfectly with the lugs (essential with the 20mm width to avoid misalignment), then reinsert the pin. If uncertain, consult a qualified watchmaker to preserve the rose gold case.

Yes, the Constellation 111.25.26.60.55.001 is fully compatible with 20mm aftermarket straps. Various straps in different materials and colors are available online ready for shipment, or you can order custom straps from artisanal ateliers such as Casati Milano for complete customization of leather, initials, and stitching.

The lifespan of a leather strap varies based on the material, use, and maintenance. Vegetable-tanned calf leather maintains structural integrity for 3 to 5 years with daily use; shell cordovan can last 5-7 years thanks to superior density; pressed alligator has cycles similar to calf leather. The natural patina that develops over time is a sign of quality and authenticity. Casati Milano offers an 18-month warranty on custom-made straps.