A Passion for
Horology
MHI Customs started the way most great things do — with a passion that couldn't stay a hobby. What began as a fascination with Seiko movements evolved into a craft, and that craft became a business.
Every watch that leaves our bench has been built by hand with premium components and finished to a high standard. We work with quality movements and parts to create something you won't find anywhere else.
We specialise in custom Seiko modifications — from GMT masters to Daytona chronographs, Arabic dials to his-and-hers matching sets. If you can imagine it, we can build it.
Based in the UK, we build for people who want something the high street simply can't offer — a watch that's truly one of a kind, built for them, by someone who genuinely cares about the craft.