Lug-to-lug 51.5 mm 2.03 in
Case 43.8 mm 1.72 in
Thickness 13.8 mm 0.54 in
Lug width 23 mm 0.91 in
Wrist fit analyzer
Fit reference
Flat wrist width54.1 mmFit ratio0.95
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/slga015g
Manufacturer page: 43.8 mm diameter, 51.5 mm lug-to-lug, 13.8 mm thickness, and 23 mm band width.
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