
Seikodate Brown
- Case Size: 39 mm
- Case Thickness: 12 mm
- Glass: Sapphire
- Wrist Size: 14 cm to 23 cm (adjustable)
- Case Material: Stainless steel
- Strap Material: Stainless steel
- Movement: 8285 Movement
- Water Resistance: 5 ATM (resistant to splashes, rain and swimming)
- Backside: Transparent case back
Movement:
- Model: Myiota 8285 Automatic
- Power Reserve: 41+ hours
Pairs well with

Seikodate Brown
YOUR SATISFACTION, OUR PRIORITY.
Join thousands of watch collectors who proudly wear their custom-built Royal Mods.
FAQs
Please read our FAQs page to find out more.
What is a Watch Mod?
A Watch Mod is a custom-built timepiece made by modifying or replacing key components such as the dial, bezel, or hands to achieve a unique and personalized design.
At Royal Mods, each watch is hand-assembled with care and precision, using premium parts inspired by iconic models, to deliver a timepiece that’s both distinctive and built to last.
How can I adjust my watch size?
Each watch comes with an adjustment kit, making it easy for you to customize the bracelet size for a perfect fit.
Shipping Time ?
Total delivery time is 5–9 business days. Every watch is handmade and tested to make sure it’s perfect before we ship it.
About the cost, shipping is totally free.
Are they original ?
We use genuine Seiko movements to create unique watches inspired Top Designers.
Our timepieces are not replicas and we are not affiliated the Seiko brand in any way.
Do you use authentic Seiko movements ?
Yes, we use genuine Seiko NH35/NH38 movements, renowned for their precision and reliability. Each watch is carefully assembled in our workshop to ensure a unique product.
Please note that we are not affiliated with Seiko. Our watches are not replicas, they are fully customized timepieces built from compatible components.