Black Label Mods Custom Seiko Mod Watch Catalog

Welcome to Black Label Mods! We build aftermarket custom mod watches, powered by Seiko (TMI/SII) movements.
We are one of the most established builders in the Seiko mod space, primarily servicing USA, Canada and parts of EU.
All watches shown on this website are proudly assembled by us! No dropshipping, no AI generated photos, no games.

Please double check with us before making a purchase, as all our custom Seiko mod watches are made-to-order. Our parts inventory is shared across all our builds!

Use the live chat on the bottom right for the quickest replies, or feel free to send us an email at: [email protected]