Seiko 6309-729A Lug Width & Strap Size
Seiko 6309-729A watches have 22mm lugs and are compatible with 22mm watch bands.
Seiko 6309-729A case size is 41mm in diameter.
You can shop our entire collection of 22mm watch bands for Seiko 6309-729A with the link below. Please select size 22mm to ensure compatibility with your Seiko 6309-729A.