Omega · Constellation

Strap for Constellation Quartz 24 Polished Stainless Steel / Red Gold / MOP

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

Lug width16 mm
Case diameter24 mm
Reference123.20.24.60.05.003 (aka: 12320246005003)
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 123.20.24.60.05.003 (aka: 12320246005003)

Selected for the 16 mm lug width

All 16 mm straps →

The Constellation 123.20.24.60.05.003 (aka: 12320246005003), seen from the bench

The Omega Constellation 123.20.24.60.05.003 is a quartz watch featuring the Omega 1376 movement, delivering ±15 seconds monthly accuracy. The 24mm case combines polished stainless steel and red gold, paired with a mother-of-pearl dial that shifts tonally from grey to pale pink. The integrated conical-link bracelet and 16mm lug width maintain the proportions established by the original Constellation collection from 1952, balancing contemporary wearability with historical design.

Frequently asked questions

What is the lug width of the Omega Constellation 123.20.24.60.05.003?

The lug width measures 16mm. This measurement is crucial for selecting a compatible strap: an incorrect diameter compromises both aesthetics and wearing comfort. To verify with precision, remove the integrated bracelet and measure with a digital caliper the internal space between the lugs.

Which strap do you recommend for the Constellation 123.20.24.60.05.003 with mother-of-pearl dial?

Alligator in mahogany or burgundy tones represents the most coherent choice with the model's elegance. Stone grey smooth calf creates chromatic continuity with the dial. For informal proposals, champagne silk NATO or natural beige calf with subtle texture maintains sophistication without excess.

How do I change the strap on the Constellation 123.20.24.60.05.003?

The operation requires spring bar removers and a stable work surface. Position the watch on a soft pad, locate the lateral lugs, insert the remover into the upper slot of the spring until you feel the disengagement click, gently extract the spring. Repeat from the opposite side. Secure the new strap by reversing the procedure, verifying that the springs snap firmly into place.

Is there a certified aftermarket strap compatible with reference 123.20.24.60.05.003?

Yes. Any strap with a 16mm lug width is compatible. Our artisanal straps are made from selected leather (alligator, calf, shell cordovan) and available in various lug widths to suit your preferences. Order online from 16mm straps or contact Casati Milano atelier for bespoke consultation.

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

A quality artisanal alligator or calf strap, with proper maintenance (periodic cleaning and conditioning), maintains aesthetic and functional integrity for 3–5 years of daily wear. Constant exposure to sweat and humidity accelerates leather aging; rotating between multiple straps extends its lifespan. We offer an 18-month warranty on all our straps, covering manufacturing defects and material flaws.

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