Omega · Aqua Terra
Strap for Seamaster Aqua Terra 150M Quartz 29.2 Stainless Steel / Blue / Bracelet
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Aqua Terra 2577.80.00 (aka: 25778000)
Selected for the 20 mm lug width · workshop selection
Black Alligator Strap with Light Blue Edges€210
Black Alligator Strap with White Edges€210
Millenium Cognac Alligator Strap€270
Matte Blue Alligator Strap€270
Green Rubberized Alligator Strap with Ecru Tribal Stitching€185
The Aqua Terra 2577.80.00 (aka: 25778000), seen from the bench
Frequently asked questions
What is the lug width of the Omega Aqua Terra 2577.80.00?
The lug width (lug size) of the 2577.80.00 is exactly 20mm. This measurement represents the internal distance between the two metal pins that connect the strap to the case. To verify it with precision, use a digital caliper measuring from shoulder to shoulder of the pin, keeping the tool parallel to the dial. Accurate measurement is essential to avoid visual incongruities or mounting issues.
What is the best strap material for the Omega Aqua Terra 2577.80.00?
There is no universally 'best' material, but rather choices consistent with the intended use. Alligator remains the reference for formal elegance and defined texture; vegetable-tanned calf offers an excellent balance between refinement and durability, developing patina over time; Tropic rubber is ideal for sports versatility; shell cordovan represents a premium choice for those seeking rarity and character. The 29.20mm case proportions accommodate all these materials without visual compromise.
How do I change the strap on my Omega Aqua Terra 2577.80.00?
Changing the strap is an operation that requires delicacy and the correct tools. Position the watch with the underside facing upward, locate the spring bars that hold the strap to the case, and use a specific tool to gently extract the pin and remove the old strap. Insert the new 20mm strap by aligning the holes, then reinsert the pins until the safety click. If you are unsure, consult a professional watchmaker to avoid damage to the case or delicate components.
Can I use an aftermarket compatible strap on my 2577.80.00?
Yes, any strap with 20mm lug width is compatible from a mechanical standpoint. However, construction quality, texture, and color determine whether the pairing is visually coherent with the elegant and sporty identity of the model. A quality artisanal strap, crafted with fine leathers and finished with care, enhances the perceived value of the watch, while a generic or low-quality strap can diminish the overall ensemble. Milano Straps offers aftermarket options specifically designed for Omega models in this category.
How long does a leather strap last on my Omega Aqua Terra?
The lifespan of a leather strap varies considerably based on frequency of use, material chosen, maintenance care, and environmental conditions. A quality alligator or calf strap, worn daily, maintains structural integrity for 3-5 years under normal conditions; vegetable-tanned calf can last longer thanks to its inherent robustness; more delicate materials such as silk satin have shorter useful life. High humidity conditions, prolonged sun exposure, or incorrect cleaning accelerate deterioration. Regular maintenance, including treatment with specific protective creams, significantly extends the strap's useful life.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only

