Lug-to-lug 53.5 mm 2.11 in
Case 45 mm 1.77 in
Thickness 17.27 mm 0.68 in
Lug width 21 mm 0.83 in
Wrist fit analyzer
Fit reference
Flat wrist width54.1 mmFit ratio0.99
Too smallIdealLargeToo large
Large
Likely to wear near the wrist edge; case shape and strap angle matter.
Sources
- https://www.omegawatches.co.kr/watch-omega-speedmaster-chrono-chime-co-axial-master-chronometer-chronograph-45-mm-52250455203001
Manufacturer page: 45 mm diameter, 53.5 mm lug-to-lug, 17.27 mm thickness, and 21 mm between lugs.
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