5 Sports
SRPD55
Lug-to-lug 46 mm 1.81 in
Case diameter 42.5 mm 1.67 in
Thickness 13.4 mm 0.53 in
Lug width 22 mm 0.87 in
Wrist fit reference
Balanced
Likely to sit comfortably within the wrist width for most wearers.
Estimated flat wrist width: 54.1 mm. Lug-to-lug uses 85% of it.
Sources
Confidence: medium
- https://seikousa.com/products/srpd55
Manufacturer page plus retailer measurements.