Speedmaster Professional Moonwatch 3861 42mm
310.55.42.50.52.002
How it wears
Wears smaller than its 42 mm case suggests
Omega Speedmaster Professional Moonwatch 3861 42mm measures 47.2 mm lug-to-lug on a 42 mm case, a lug-to-lug ratio of 1.12 against a database median of 1.18. That span is longer than 54% of the 7,421 watches in this database and longer than 41% of the 487 Omega watches listed.
A flat wrist width of 53 mm (2.09 in) or more keeps it in the balanced range, and from 63 mm (2.48 in) it starts to look compact. Below 47.2 mm (1.86 in) the lugs are likely to overhang the wrist. Flat wrist width is measured straight across the top of the wrist, not around it.
Wrist fit analyzer
Fit reference
Sits comfortably within the wrist width for most wearers.
Sources
- https://sf.delugs.com/api/strap-finder
Delugs Strap Finder API lists 42mm case diameter, 47.2mm lug-to-lug distance, 20mm lug width for Omega Speedmaster Speedmaster Professional Moonwatch 3861 310.55.42.50.52.002.
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