Grand Seiko SBGR311 Lug Width & Strap Size
Grand Seiko SBGR311 watches have 21mm lugs and are compatible with 21mm watch bands.
Grand Seiko SBGR311 case size is 42mm in diameter.
You can shop our entire collection of 21mm watch bands for Grand Seiko SBGR311 with the link below. Please select size 21mm to ensure compatibility with your Grand Seiko SBGR311.
