
Ref. 140.53.39.21.99.001 · Dress
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Constellation collection · 10 watches









5 colorways
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Omega on the secondhand market
+7.0%
2026 so far · +0.9% to +13.8% · 42 matched watches
In line with the index
Dress watches as a group: +9.0% · 229 matched watches
Year-by-year readings →Owners widely praise the Omega Constellation Observatory Co Axial Master Chronometer 39 4mm for its under-appreciated presence and suitability for both formal and casual wear. Reviewers highlight its reinterpretation of vintage design with a pie-pan dial, dog-leg lugs, and kite-shaped hands and indexes, noting its thin case band and 47.2mm lug-to-lug measurement. Some owners find the case thick and the lugs awkward, while others appreciate its discreet elegance and low profile. One owner wishes to switch straps but notes Omega does not sell alternatives, though the 24.2mm lug width may allow for compatibility with straps from the 41mm version. On balance, owners and reviewers rate the Omega Constellation Observatory Co Axial Master Chronometer 39 4mm highly for its elegant design and Master Chronometer certification.
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