Omega · Constellation

Strap for Constellation Quartz 24 Brushed Red Gold / Diamond / MOP Stars

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter24 mm
Reference123.55.24.60.05.003 (aka: 12355246005003)
FamilyConstellation
MovementOmega caliber 1376 Hours, Minutes
CaseRed Gold

Recommended spring bar

Spring bars Omega 20mm — 1.8mm diameter

Technical match for lug width and diameter · lug 20 mm · Ø 1.8 mm

All Omega spring barsOpen →

Straps for the Constellation 123.55.24.60.05.003 (aka: 12355246005003)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Constellation 123.55.24.60.05.003 (aka: 12355246005003), seen from the bench

The Constellation represents one of Omega's historic collections, characterized by the distinctive design with decorative claws on the case. The reference 123.55.24.60.05.003 is equipped with the Omega 1376 quartz caliber with hour and minute indication. The case features a construction that combines steel and gold elements according to the technical specifications of the Constellation line.

Frequently asked questions

What is the lug width of the Omega Constellation 123.55.24.60.05.003?

The lug width is 20 millimeters. This is measured as the internal distance between the spring bars of the case, not from the external surface. This dimension ensures perfect fitting of any replacement strap without lateral offset or visual misalignment.

Which strap pairs best with the Constellation 123.55.24.60.05.003 in rose gold?

Cognac-toned alligator represents the natural pairing for warm rose gold: the chromatic parallelism creates sophisticated aesthetic coherence. Alternatively, black or charcoal calf leather creates elegant contrast, while for summer a heavy cotton NATO reduces the visual weight of the 24mm case on slimmer wrists.

How do I change the strap on the Constellation 123.55.24.60.05.003?

The strap is attached via the spring bars (20mm) that run horizontally through the case. To remove it, gently push a spring bar from one side using a flat tool (spring bar tool), then extract the strap. To install a new one, insert the spring bar into the new strap's attachments, then reposition it into the case slots until it clicks.

Are there aftermarket straps compatible with the Constellation 123.55.24.60.05.003?

Yes, any strap with a 20mm lug width is compatible. On milanostraps.it you will find a collection of Italian-made artisanal straps in alligator, calf, shell cordovan and FKM rubber, customizable in color and stitching thread. The Casati Milano atelier also offers bespoke custom manufacturing.

How long does a leather strap last before requiring maintenance?

A quality alligator or calf strap, with moderate use (3-4 times per week), maintains functionality and aesthetic appearance for 3-5 years. The flex area (the part that touches the wrist) progressively develops a natural dark patina. Casati Milano straps include an 18-month warranty and can be professionally restored through leather reconditioning or spring bar replacement.

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