Lug-to-lug 45.2 mm 1.78 in
Case 40 mm 1.57 in
Thickness 9.6 mm 0.38 in
Lug width 19 mm 0.75 in
Wrist fit analyzer
Fit reference
Flat wrist width54.1 mmFit ratio0.84
Too smallIdealLargeToo large
Balanced
Likely to sit comfortably within the wrist width for most wearers.
Sources
- https://www.grand-seiko.com/us-en/collections/sbgz011j
Manufacturer page: 40.0 mm diameter, 45.2 mm lug-to-lug, 9.6 mm thickness, and 19 mm band width.
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