Lug to Lug Finder

Omega

Speedmaster Professional Moonwatch

310.30.42.50.01.002

Lug-to-lug 47.5 mm 1.87 in
Case diameter 42 mm 1.65 in
Thickness 13.2 mm 0.52 in
Lug width 20 mm 0.79 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 88% of it.