Lug-to-lug 50.6 mm 1.99 in
Case 44.2 mm 1.74 in
Thickness 14.4 mm 0.57 in
Lug width 21 mm 0.83 in
Wrist fit analyzer
Fit reference
Flat wrist width54.1 mmFit ratio0.94
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/sbgj237g
Manufacturer page: 44.2 mm diameter, 50.6 mm lug-to-lug, 14.4 mm thickness, and 21 mm band width.
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