Lug-to-lug 52 mm 2.05 in
Case 44.5 mm 1.75 in
Thickness 14.4 mm 0.57 in
Lug width 23 mm 0.91 in
Wrist fit analyzer
Fit reference
Flat wrist width54.1 mmFit ratio0.96
Too smallIdealLargeToo large
Large
Likely to wear near the wrist edge; case shape and strap angle matter.
Sources
- https://www.grand-seiko.com/us-en/collections/sbgd228j
Manufacturer page: 44.5 mm diameter, 52.0 mm lug-to-lug, 14.4 mm thickness, and 23 mm band width.
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