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Omega · Constellation

Strap for Constellation Co-Axial 35 Yellow Gold / Diamond / Silver

Takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

16mm
16 mm strapsAll Omega
Lug width16 mm
Case diameter35 mm
Reference123.55.35.20.52.002 (aka: 12355352052002)
FamilyConstellation
MovementOmega caliber 2500 hours, minutes, seconds | date | co-Axial escapement, chronometer
CaseYellow Gold

Spring bar

Spring bars for Omega

The right category for this model · choose the 16 mm size

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Straps for the Constellation 123.55.35.20.52.002 (aka: 12355352052002)

Selected for the 16 mm lug width

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The Constellation 123.55.35.20.52.002 (aka: 12355352052002), seen from the bench

The Omega Constellation reference 123.55.35.20.52.002 features the automatic caliber 2500 with Co-Axial escapement and chronometer certification. The movement offers indication of hours, minutes, seconds and date. The Constellation collection represents one of the historic lines of the Swiss brand, characterized by the distinctive design with claws on the bezel.

Frequently asked questions

What is the lug width of the Omega Constellation 123.55.35.20.52.002?

The lug width of the Constellation 123.55.35.20.52.002 is 16mm. This width is standard for Omega 35mm cases and is compatible with all straps labeled as 16mm in our online catalog.

What is the best strap for the Constellation 123.55.35.20.52.002 in yellow gold?

For the yellow gold Constellation, we recommend tobacco brown alligator or vegetable-tanned calf leather. Alligator emphasizes formal elegance through its natural grain; vegetable-tanned calf offers everyday comfort and a patina that improves over the years. The choice depends on your intended use and personal aesthetic preferences.

How do I change the strap on the Omega Constellation 123.55.35.20.52.002?

The strap is changed by extracting the lug pins with a dedicated tool (spring bar tool). Visit a watchmaker or, if experienced, do it yourself: place the watch on a soft surface, gently extract the spring bar, remove the old strap and insert the new one by aligning the holes with the lugs. Verify that the pin is fully inserted before wearing the watch.

Can I use an aftermarket strap on this Constellation?

Yes, any strap with a 16mm lug width is compatible with the Constellation 123.55.35.20.52.002. Online you will find <a href="https://milanostraps.it/collections/cinturini-orologi-per-misura-ansa-16mm">16mm straps</a> in various materials and colors. For optimal results in terms of quality and durability, we advise against cheap straps: choose vegetable-tanned leathers or certified elastomers.

How long does a natural leather strap last on the Constellation 123.55.35.20.52.002?

A quality leather strap (alligator, vegetable-tanned calf, shell cordovan) typically lasts 3-5 years of daily wear, depending on climate conditions, sun exposure and frequency of use. Leather tends to dry out over time and lug wear increases progressively. To extend the lifespan, we recommend alternating straps and avoiding prolonged exposure to salt water.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only