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Omega · Aqua Terra

Strap for Seamaster Aqua Terra 150M Co-Axial 39.2 Stainless Steel / White / Bracelet

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

Lug width

16mm
16 mm strapsAll Omega
Lug width16 mm
Case diameter39 mm
Reference2503.33.00
FamilyAqua Terra
MovementOmega caliber 2500 hours, minutes, seconds | date | co-Axial escapement, chronometer
Year2003
CaseStainless Steel

Spring bar

Spring bars for Omega

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

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Straps for the Aqua Terra 2503.33.00

Selected for the 16 mm lug width

All 16 mm straps →

The Aqua Terra 2503.33.00, seen from the bench

The Aqua Terra reference 2503.33.00 mounts the Omega 2500 caliber with a co-axial escapement and chronometer certification. The automatic movement offers hour, minute, second and date indication. The construction integrates the co-axial technology developed by Omega to reduce friction and improve long-term accuracy.

Frequently asked questions

What is the correct lug width for the Omega Aqua Terra 2503.33.00?

The lug width of the 2503.33.00 is 16mm. This measurement corresponds to the space between the lugs of the Omega case and must be respected exactly to ensure correct strap installation without play or forcing.

Which strap should I choose for the Omega Aqua Terra 2503.33.00?

It depends on the intended use. For daytime elegance we recommend alligator or vegetable-tanned calf leather. To maintain the nautical spirit, a canvas NATO or FKM rubber are ideal. The 39.2mm case supports all these materials beautifully without aesthetic imbalance.

How do you change the strap on the Omega Aqua Terra 2503.33.00?

The original strap is removed with a specific tool (spring bar tool), which releases the anchor bar from the case lugs. The new 16mm strap is inserted by aligning the bar into the pre-existing holes. The operation requires precision but is not complex for those with experience.

Which aftermarket straps are compatible with the 2503.33.00?

Any strap with a 16mm lug width is compatible. Milano Straps catalogs straps in alligator, calf, NATO and rubber certified for this measurement, ready to ship and customizable in color, stitching and length.

How long does a leather strap last on a watch like the 2503.33.00?

A fine leather strap (alligator or vegetable-tanned calf) lasts 3-5 years in daily use, with proper maintenance. Aging is natural: the leather develops patina and progressively thins. Milano Straps offers an 18-month warranty on custom straps and post-sale support for maintenance.

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