Tool · Strap Size
The right strap, first time
Look up the lug width for a reference and get strap-style recommendations that suit the watch — from tropic to oyster to leather.
In the workshop
Lug width by reference
Exact mm for hundreds of popular Seiko references.
Style recommendations
Curated strap pairings by case style and era.
Fitted vs straight
Flags references that need fitted end-links (e.g. SKX, Turtle).
Shop the pairing
Jump straight to matching straps in the shop.