Lug-to-lug 51.5 mm 2.03 in
Case 43.5 mm 1.71 in
Thickness 14.27 mm 0.56 in
Lug width 21 mm 0.83 in
Wrist fit analyzer
Fit reference
Flat wrist width54.1 mmFit ratio0.95
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-seamaster-diver-300m-co-axial-master-chronometer-43-5-mm-21092442001001
Manufacturer page: 43.5 mm diameter, 51.5 mm lug-to-lug, 14.27 mm thickness, and 21 mm between lugs.
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