Seiko SUP250 Lug Width & Strap Size
Seiko SUP250 watches have 18mm lugs and are compatible with 18mm watch bands.
Seiko SUP250 case size is 18mm in diameter.
You can shop our entire collection of 18mm watch bands for Seiko SUP250 with the link below. Please select size 18mm to ensure compatibility with your Seiko SUP250.