FAQs

What movement does the Seikoak mod use?

Most Seiko Royal Oak mods use the Seiko NH35 or NH72 automatic movement, known for its durability, precision, and ~41-hour power reserve. 

Is the Seikoak mod waterproof?

Water resistance varies by build, but typically ranges from:

  • 3 ATM (splash-resistant) to
  • 10 ATM (swimming capable) depending on the model
Is the Seiko Mod Royal Oak watch worth it?

If you want the iconic Royal Oak aesthetic, solid automatic movement, and premium materials—without spending thousands—then a Seikoak mod offers one of the best value options in the watch market.