Lug-to-lug 44.2 mm 1.74 in
Case 38 mm 1.50 in
Thickness 12.1 mm 0.48 in
Lug width 20 mm 0.79 in
Wrist fit analyzer
Fit reference
Flat wrist width54.1 mmFit ratio0.82
Too smallIdealLargeToo large
Compact
Likely to wear short across the wrist, with visible margin near both edges.
Sources
- https://www.seikowatches.com/kr-ko/products/5sports/srpk31
Manufacturer page: 38 mm case, 44.2 mm lug-to-lug, 12.1 mm thickness, and 20 mm lug width.
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