Omega · Aqua Terra
Strap for Seamaster Aqua Terra 150M Co-Axial 30 Yellow Gold / MOP / Bracelet
Takes 18 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 231.50.30.20.55.002 (aka: 23150302055002)
Selected for the 18 mm lug width
Hammered Calfskin Strap Light Blue€98
Vintage Brown Calfskin Strap — Natural Patina€98
Hammered Pink Strap with Ecru Stitching€98
Hammered Yellow Strap with Ecru Stitching€98
Grey Hammered Leather Strap with Ecru Stitching€98
Swift Red Leather Strap€120
The Aqua Terra 231.50.30.20.55.002 (aka: 23150302055002), seen from the bench
Frequently asked questions
What is the lug width of the Omega Aqua Terra 231.50.30.20.55.002?
The lug width is 18mm. This is the distance between the two case lugs where the strap attaches. It is essential to choose straps compatible with this exact measurement to ensure a secure and proportionate fit.
Which strap is best suited for the Omega Aqua Terra 30mm yellow gold?
Chocolate brown alligator or vegetable-tanned round calf are the most harmonious choices with the warmth of gold. For formal occasions, black shell cordovan creates a sophisticated contrast. The choice depends on frequency of use and wearing context: everyday elegance versus occasional wear.
How do you change the strap on the Seamaster Aqua Terra 231.50.30.20.55.002?
It is necessary to remove the lugs from the case using a dedicated spring bar tool. After extracting the small springs that secure the lug, you can remove the worn strap and insert the new one. It is recommended to perform this operation with care to avoid scratching the yellow gold case.
Can I use an artisanal aftermarket strap on this Omega?
Yes, provided the lug width is precisely 18mm. Artisanal straps from specialized manufacturers guarantee mechanical compatibility and superior material quality compared to generic straps. We recommend premium leathers such as alligator, vegetable-tanned calf or shell cordovan.
How long does a leather strap last on a watch like this?
A quality leather strap, with vegetable tanning and artisanal finishing, has a lifespan of 3-5 years with daily wear. Longevity depends on frequency of use, exposure to moisture and maintenance care. Premium straps with vegetable tanning develop a natural patina that enhances their appearance 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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only

