Omega · Constellation

Strap for Constellation Manhattan 28 Quartz Yellow Gold - Diamond / Moonshine Meteorite

Takes 19 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width19 mm
Case diameter25 mm
Reference131.55.25.60.99.003 (aka: 13155256099003)
FamilyConstellation
MovementOmega caliber 4061 Hours, Minutes
CaseYellow Gold

Recommended spring bar

Spring bars Omega Speedmaster Seamaster 19mm

Technical match for lug width and diameter · lug 19 mm · Ø 1.8 mm

All Omega spring barsOpen →

The Constellation 131.55.25.60.99.003 (aka: 13155256099003), seen from the bench

The Omega Constellation Manhattan 28 Quartz Yellow Gold model 131.55.25.60.99.003 features a 25mm yellow gold case with the iconic four griffes supporting the sapphire crystal. Powered by the Omega 4061 quartz movement, this watch delivers reliable precision in a compact size. The 19mm lug width accommodates the strap, ensuring harmonious proportions between the case and wristband for comfortable daily wear.

Frequently asked questions

What is the lug width of the Omega Constellation 131.55.25.60.99.003?

The lug width is 19mm. This dimension is fundamental for strap compatibility and represents the exact distance between the two lateral pins where the strap fits. Always measure from pin to pin on the outside to verify accuracy.

What strap do you recommend for the Constellation 131.55.25.60.99.003?

For this 25mm yellow gold Constellation, we recommend a cognac or burgundy alligator strap, which creates harmony with the precious metal. If you prefer versatility, vegetable-tanned calf leather develops a natural patina over time. For a more sporty approach, a robust textile NATO strap is practical and contemporary. Avoid excessively satin straps, which would contrast with the discreet elegance of the watch.

How do you change the strap on an Omega Constellation?

The strap is changed using a spring bar tool. Locate the pin supporting the strap at the lug, press the spring bar tool into the small lateral hole of the pin itself, and the pin will yield. Remove the old strap, insert the new one by snapping the pin into both lugs, and verify that it is firmly secured. If you lack experience, entrust the operation to an expert to avoid scratches on the case.

Are aftermarket straps compatible with the Constellation 131.55.25.60.99.003?

Yes, any strap with a 19mm lug width is compatible with this model. Artisanal aftermarket straps, such as those from Milano Straps, fit perfectly to the Constellation's standard pins. Compatibility depends exclusively on the 19mm width, not on the strap brand.

How long does a leather strap last on a watch like the Constellation?

A high-quality leather strap, especially in alligator or quality calf, lasts on average 3-5 years with daily use, provided it is properly maintained (avoid prolonged moisture, do not expose it to direct heat sources). Artisanal straps such as those from Casati Milano maintain an 18-month warranty and develop a patina that increases character over time, transforming wear into beauty.

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