




For those looking to breathe new life into their Seiko-based movements, the Santos-Style 38mm Square Case is an intriguing candidate. I tested this accessory with a standard NH35 movement to see if the build quality truly lives up to the iconic square aesthetic it mimics.
The 316L stainless steel construction feels substantial and shows excellent attention to detail in its polishing. The square geometry is precise, ensuring that the movement seats securely without any rattling or misalignment during the installation process.
Setting up the movement inside this frame is straightforward for anyone familiar with NH-series case swaps. On the wrist, the 38mm proportions are balanced and comfortable, offering a distinct silhouette that stands out from the typical round-case crowd.
This case is perfect for DIY watchmakers and modders who want to build a stylish, square-profile timepiece using reliable NH35/NH36 movements.
With a solid 4.66 rating, this accessory is a reliable choice for enthusiasts looking for a budget-friendly project. At $89.00, it offers great value by allowing you to create a high-quality custom build with a unique visual presence.