Omega · Constellation

Strap for Constellation Co-Axial 41 Chronograph Double Eagle Titanium / Carbon / Rubber

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

Lug width20 mm
Case diameter41 mm
Reference121.92.41.50.01.001 (aka: 12192415001001)
FamilyConstellation
MovementOmega caliber 3313 Hours, Minutes, Small Seconds | Date | Chronograph, Column wheel | Co-Axial Escapement
CaseTitanium

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 121.92.41.50.01.001 (aka: 12192415001001)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Constellation 121.92.41.50.01.001 (aka: 12192415001001), seen from the bench

The Constellation is powered by the automatic caliber 3313 with column-wheel chronograph function and co-axial escapement. The movement offers hours, minutes, small seconds and date indication. The reference 121.92.41.50.01.001 represents one of the technical variants of the Omega Constellation collection.

Frequently asked questions

What is the lug width of the Omega Constellation 121.92.41.50.01.001?

The Omega Constellation 121.92.41.50.01.001 has a lug width of 20mm. This width is the standard for 41mm watches and ensures perfect visual proportions. The measurement should be taken between the internal lugs of the case using a digital caliper.

What is the best strap material for the Constellation 121.92.41.50.01.001?

Genuine alligator with vegetable tanning is the most refined choice for the Constellation in titanium, as its natural texture dialogues elegantly with the case geometry. Shell cordovan represents an excellent alternative for those desiring a patina that evolves over time. Structured calf leather with vegetable tanning is ideal for those seeking minimal color impact.

How do you change the strap on an Omega Constellation 121.92.41.50.01.001?

Strap replacement requires the use of a spring bar tool to compress the springs on the sides of the lugs. Position the spring bar tool under the bracelet, compress the spring, slide the bracelet outward, and insert the new strap. It is advisable to perform this operation with care to avoid damaging the titanium lugs.

Is an aftermarket 20mm strap compatible with the Constellation 121.92.41.50.01.001?

Yes, any strap with an exact lug width of 20mm is compatible with the Constellation 121.92.41.50.01.001. Always verify that the strap is truly 20mm by measuring it with a caliper, as even 1mm deviation creates excessive tension or visible play.

How long does a leather strap last on the Omega Constellation 121.92.41.50.01.001?

A high-quality alligator or shell cordovan strap, worn daily on a single wrist, has an average lifespan of 4-6 years before presenting structural deterioration. The lifespan depends on exposure to sweat, moisture, and thermal variations. A strap with certified vegetable tanning reduces this degradation and develops noble patina 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