Omega · Constellation
Strap for Constellation Quartz 25.5 '95 Stainless Steel / Yellow Gold / Diamond / Champagne
Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Constellation 1277.15.00
Selected for the 18 mm lug width
Vintage Brown Calfskin Strap — Natural Patina€98
Hammered Pink Strap with Ecru Stitching€98
Hammered Yellow Strap with Ecru Stitching€98
Grey Hammered Leather Strap with Ecru Stitching€98
Swift Red Leather Strap€120
Hammered calfskin strap in cuoio€98
The Constellation 1277.15.00, seen from the bench
Frequently asked questions
What lug width is required for the Omega Constellation 1277.15.00?
The Omega Constellation 1277.15.00 has an exact lug width of 18mm. This measurement refers to the distance between the lug pins, or the internal space where the strap attaches to the case. It is essential to verify this dimension before ordering an aftermarket strap to ensure perfect compatibility.
What type of strap is best suited for the Constellation 1277.15.00?
For the 1277.15.00, alligator represents the ideal choice in terms of elegance and proportion. The natural texture of alligator scales reflects the sophisticated geometry of the two-tone case and mother-of-pearl dial. Vegetable-tanned calf leather is also excellent, offering chromatic versatility and a patina that evolves over time. Shell cordovan imparts resilience and color depth, while NATO remains practical for everyday contexts without sacrificing overall elegance.
How do you change the strap on an Omega Constellation 1277.15.00?
Changing the strap requires removal of the spring bars that secure the strap to the case. Use a dedicated spring bar tool to gently extract the pins from both sides, then insert the new strap by aligning the side holes with the pins. Reinsert the pins until they click into place. Given the compact 25.50mm case of the 1277.15.00, we recommend caution to avoid damaging the integrated bezel during the operation.
Is an aftermarket 18mm strap compatible with the Constellation 1277.15.00?
Yes, any strap with an 18mm lug width is compatible with the Constellation 1277.15.00, provided that the spring bars used are of the correct length (typically 16mm for this size). The case curve (straight or curved) of the strap should ideally match the case anatomy, though straight straps remain compatible regardless. Our 18mm straps are optimized for this category of watches.
How long does a leather strap last on an Omega Constellation 1277.15.00?
The durability of a leather strap depends on the intensity of use and the quality of the material. A quality alligator or calf leather with vegetable tanning has an estimated lifespan of 3 to 6 years with daily wear, up to 8-10 years with intermittent use. Shell cordovan offers greater longevity (5-8 years even with daily wear). Regular maintenance with specific creams and drying after accidental water exposure significantly extend the strap's lifespan. Casati Milano atelier offers an 18-month warranty on all personalized straps.
The next step
The right strap isn't chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only

