Lug-to-lug 41.4 mm 1.63 in
Case 36 mm 1.42 in
Thickness 12.5 mm 0.49 in
Lug width 18 mm 0.71 in
Wrist fit analyzer
Fit reference
Flat wrist width54.1 mmFit ratio0.77
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/presage/spb521j1
Manufacturer page: 36 mm case, 41.4 mm lug-to-lug, 12.5 mm thickness, and 18 mm lug width.
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