Omega · Aqua Terra
Strap for Seamaster Aqua Terra 150M Automatic 29.2 Stainless Steel / Red Gold / Diamond / MOP / 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 2365.75.00
Selected for the 20 mm lug width · workshop selection
Black Alligator Strap with Light Blue Edges€149
Red Alligator Strap Water Resistant€195
Green Rubberized Alligator Strap with Ecru Tribal Stitching€149
Hammered Calfskin Strap Light Blue€98
Vintage Olive Green Calf Leather Watch Strap€80
The Aqua Terra 2365.75.00, seen from the bench
Frequently asked questions
What is the lug width of the Omega Aqua Terra 2365.75.00?
The lug width of the Omega Aqua Terra 2365.75.00 is 20 millimetres. This dimension was calculated by Omega maintaining optimal proportions relative to the case diameter of 29.20 millimetres. To verify the measurement, it is sufficient to position a calliper between the two lugs on the case: the internal distance must result in exactly 20 millimetres. Any aftermarket strap compatible with this lug width will fit your reference perfectly.
What type of leather do you recommend for the strap of the 2365.75.00?
For the Omega Aqua Terra 2365.75.00 we recommend three solutions based on your priorities: alligator for those seeking formality and geometric structure that highlights the bi-metal case; calf for those desiring leather that develops patina over time, creating a personal story on the watch; shell cordovan for its natural lustre and extraordinary longevity, which creates an aesthetic bridge between rose gold and steel. For a sporty approach, rubber or fine fabric maintain the nautical vocation of the model intact.
How do you change the strap on an Omega Aqua Terra?
The strap change on an Omega Aqua Terra is accomplished by extracting the attachment pins (spring bars) that connect the strap to the case lugs. Using a spring bar tool, position the tip under the pin, apply light lateral pressure to make the internal spring protrude, then extract the pin downward. Repeat the operation on the opposite lug. Once the pins are removed, the original strap separates easily from the case. For installation of the new 20mm strap, insert the pin into the holes of the new strap, align with the lugs and press until the internal spring locks into place. This is an operation that can be performed independently or entrusted to a professional watchmaker for maximum caution.
Is an aftermarket strap truly compatible with the 2365.75.00?
Yes, a quality aftermarket strap made for the 20mm lug width is fully compatible with the Omega Aqua Terra 2365.75.00. Compatibility is guaranteed by the geometric correspondence of the lug width and the universal standard of attachment pins (spring bars). However, mechanical compatibility does not automatically imply aesthetic harmony: it is advisable to choose materials, tones and finishes that converse with the bi-metal case and the overall proportion of the model. A bespoke artisanal strap, such as those from Casati Milano atelier, also guarantees the possibility of customizing details such as initials, stitching thread type and dimensional adjustments that maximize comfort and personal aesthetics.
How long does a natural leather strap last on an Omega Aqua Terra?
The lifespan of a natural leather strap depends primarily on frequency of use, environmental conditions (humidity, sun exposure, contact with sweat) and the quality of the leather itself. A quality calf strap with appropriate vegetable tanning can last from 4 to 8 years with moderate daily use. Alligator, due to its superior density, tends to maintain itself beyond 10 years. Shell cordovan, renowned for extraordinary longevity, can exceed 15 years if subjected to proper maintenance. The key to extending lifespan is to avoid prolonged water immersion, dry promptly after contact with rain water, avoid intense sun exposure and occasionally apply conservation treatments specific to the type of leather. A bespoke strap with warranty certification, such as those from Casati Milano, offers the possibility of scheduled replacements and repairs.
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

