Omega · Constellation

Strap for Constellation Quartz 27 Brushed Stainless Steel / Red Gold / Diamond / MOP Supernova

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

Lug width16 mm
Case diameter27 mm
Reference123.25.27.60.55.002 (aka: 12325276055002)
FamilyConstellation
MovementOmega caliber 1376 hours, minutes
CaseMother of Pearl | Red Gold, Stainless Steel

Spring bar

Spring bars for Omega

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

Straps for the Constellation 123.25.27.60.55.002 (aka: 12325276055002)

Selected for the 16 mm lug width

All 16 mm straps →

The Constellation 123.25.27.60.55.002 (aka: 12325276055002), seen from the bench

The Omega Constellation 123.25.27.60.55.002 is a contemporary evolution of an icon born in 1952, combining 18-carat red gold and stainless steel in a 27 mm case with mother-of-pearl dial. Powered by the Omega caliber 1376 manual-wind movement, the watch features iconic "griffes" framing the sapphire crystal and integrates a Manhattan bracelet with satin-finished links and deployant clasp. The lug width is 16 mm, a historic Omega standard compatible with aftermarket straps.

Frequently asked questions

What is the lug width of the Omega Constellation 123.25.27.60.55.002?

The lug width of the Constellation 123.25.27.60.55.002 is 16 mm. This is the width of the horizontal metal bracket where the strap attaches to the case. It is always important to verify this measurement with a caliper before purchasing an aftermarket strap to ensure perfect compatibility.

What is the best strap material for this model?

Vegetable-tanned alligator is the most recommended choice for the Constellation 123.25.27.60.55.002, especially in cognac or dark brown tones, which create harmony with the rose gold. Shell cordovan and vegetable-tanned calf are excellent alternatives, while rubber or NATO straps are not recommended for this dress watch reference.

How do I change the strap on my Omega Constellation?

Strap replacement is performed by removing the spring bars from the case lugs using a dedicated tool. Insert the new strap into one of the two lugs, push the spring bar until it clicks into place completely, then repeat with the other lug. We recommend performing this operation carefully to avoid scratching the case; alternatively, Casati Milano offers a strap change service.

Can I use compatible aftermarket straps on this Constellation?

Yes, the Constellation 123.25.27.60.55.002 is compatible with aftermarket straps in 16 mm lug width. Milano Straps offers handcrafted straps in various materials—leather, alligator, shell cordovan—customizable in length, initials, and stitching color, maintaining the elegant and feminine style of the model.

How long does a leather strap last on a daily-worn watch?

A quality leather strap in vegetable tanning has an average lifespan of 3-5 years with daily wear, depending on ambient humidity and care. Shell cordovan tends to last longer thanks to its natural density. Milano Straps straps are guaranteed for 18 months and made with leathers selected for durability and patina development over time.

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