Omega · Constellation
Strap for Constellation Manhattan 28 Quartz Sedna Gold - Diamond / Rose Meteorite
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 131.55.25.60.99.002 (aka: 13155256099002)
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 131.55.25.60.99.002 (aka: 13155256099002), seen from the bench
Frequently asked questions
What is the lug width of the Omega Constellation 131.55.25.60.99.002?
The lug width of the 131.55.25.60.99.002 is 18 millimeters, measured from inside to inside of the lug seat. This dimension is critical for strap compatibility: an 18mm lug width must fit into the case lugs without excessive vertical play. Before purchasing a strap, always verify that it is specifically declared as 18mm to guarantee optimal fit.
Which strap type pairs best with the Omega Constellation in Sedna Gold?
Alligator represents the most elegant choice for the 131.55.25.60.99.002: the natural texture of the scales creates harmony with the warm tone of Sedna Gold, and its robustness ensures longevity. Shell cordovan and vegetable-tanned calf leather are refined alternatives that develop a natural patina over time. NATO straps or rubber are discouraged, as they diminish the jewel-like appearance of the watch.
How do I change the strap on the Omega Constellation 131.55.25.60.99.002?
Strap replacement requires the use of a specialized tool (spring bar tool) to compress the springs located at the lug ends. Position the case face up, insert the tool into the small slot visible on each side of the lug, gently compress the spring and extract the lug from the case slot. Repeat on the other side. For the new strap, reinsert the lugs into the designated holes, ensuring the spring clicks into place. If inexperienced, entrust the operation to an expert to avoid damage to the case.
Can I use an aftermarket strap compatible with my Constellation 131.55.25.60.99.002?
Yes, quality aftermarket straps are fully compatible with the 131.55.25.60.99.002, provided they strictly adhere to the 18mm lug width measurement. A bespoke strap allows you to fully customize your watch in terms of material, color, and finish. Choose manufacturers that guarantee precise millimeter tolerances and finishes at the level of the case to maintain overall aesthetic harmony.
How long does a leather strap typically last on an Omega Constellation?
A fine leather strap (alligator, shell cordovan, or vegetable-tanned calf) worn daily typically lasts an average of 3-5 years before requiring replacement, depending on usage, climate, and care. Vegetable tanning develops an authentic patina that many find appealing with age. To extend durability, protect the strap from excessive moisture and regularly apply a natural balm. A well-maintained strap can last beyond 5 years while retaining elegance and functionality.
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

