




For those looking to build a custom timepiece, the Santos 38mm Square Stainless Steel Watch Case offers a compelling foundation for your next project. I tested this case with a standard NH35 movement to see if the build quality matches its striking aesthetic.
Constructed from 316L stainless steel, the case feels substantial and highly resistant to corrosion. The square geometry is machined with precision, ensuring that the movement fits snugly without unnecessary play, which is crucial for long-term durability.
Assembly is straightforward for anyone familiar with basic watch modification, requiring only standard tools to secure the movement inside. Once worn, the 38mm size wears comfortably on the wrist, providing a balanced presence that bridges the gap between classic design and modern utility.
This case is perfect for watch modding enthusiasts who want to create a custom, high-end looking piece using reliable Seiko-style movements.
I found the case to be an excellent value, earning a solid 4.66 rating for its combination of durability and style. If you are looking to revitalize your spare NH35 movement, this $89.00 accessory is a fantastic choice for your 2026 build.