Omega · Museum Collection

Strap for Museum Collection N° 1 "Pilots 1938" Aquarella Amethyst

Takes 24 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width24 mm
Case diameter40 mm
Reference5771.71.56
FamilyMuseum Collection
MovementOmega caliber 2200 hours, minutes, small seconds
Year2004
CaseStainless Steel

Spring bar

Spring bars for Omega

The right category for this model · choose the 24 mm size

Straps for the Museum Collection 5771.71.56

Selected for the 24 mm lug width · workshop selection

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The Museum Collection 5771.71.56, seen from the bench

The Omega Museum Collection reference 5771.71.56 is equipped with the Omega 2200 caliber with hour, minute and small seconds functions. The model features 24mm lugs and is part of the collection dedicated to the brand's historic pieces. The movement offers a classic three-hand configuration with a subsidiary seconds display.

Frequently asked questions

What is the exact lug width of the Omega Museum Collection 5771.71.56?

The 5771.71.56 has a lug width of 24mm. This specification is determined by the case geometry and the proportions of the Omega 2200 calibre. To verify it with precision, measure the internal space between the two attachment points with a digital calliper, or consult the original documentation of the watch. An accurate measurement is essential to ensure strap compatibility.

What is the best strap for the Omega Museum Collection 5771.71.56?

The ideal material depends on use: for an elegant dress approach, we recommend cognac brown alligator or hazelnut calf, which emphasise the formal character of the 5771.71.56. For those seeking longevity and unique patina, shell cordovan is the premium choice. If you prefer practicality, a robust NATO in grey or navy blue offers versatility. The colour should coordinate with the dial: silver with cognac brown, cream with hazelnut, or black with dark shell cordovan.

How do I change the strap on my Omega 5771.71.56?

Remove the spring bar that holds the strap in the lug slot using a dedicated tool or a small lever. The spring bar is an elastic rod that runs along the lug: locate it on the outer side of the case, apply gentle pressure and remove it. Once removed, the old strap disengages easily. To fit the new strap, align the opening with the lug slot and reinsert the spring bar until you hear a "click" lock. Ensure the strap is 24mm for the 5771.71.56.

Can I use an aftermarket strap from other brands on my Omega 5771.71.56?

Theoretically yes, if the strap is 24mm certified and the construction tolerances are precise. However, we recommend our straps because they are produced specifically for this size and tested for the 5771.71.56. A generic strap may have insufficient or excessive play in the lug, compromising both aesthetics and security. Our <a href="https://milanostraps.it/collections/cinturini-orologi-per-misura-ansa-24mm">24mm straps</a> guarantee a perfect fit.

How long does a leather strap last on my Omega Museum Collection 5771.71.56?

Durability depends on the material and use. Quality alligator, with periodic maintenance (cleaning with soft cloth, avoiding prolonged immersion), lasts 3-5 years in daily use. Shell cordovan, thanks to its natural fibre density, can exceed 7-10 years. Calf is more prone to wear and requires attention, but with care lasts 2-4 years. A synthetic NATO in cordura resists 1-2 years before wearing out. The patina that develops is not degradation, but character gained. We offer customisable and replaceable straps at no additional fitting cost.

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