Omega Constellation Observatory Co Axial Master Chronometer 39 4mm
Ref. 140.13.39.21.02.001 · Dress
Case
- Diameter
- 39.4mm
- Thickness
- 12.23mm
- Lug-to-lug
- 47.2mm
- Lug width
- 19mm
- Material
- O-Megasteel
- Finish
- O-MEGASTEEL
- Water resistance
- 30m
Crystal & dial
- Crystal
- Sapphire
- Shape
- Domed
- Dial colour
- Silver
Movement
- Caliber
- Omega 8914
- Type
- Automatic
- Power reserve
- 60h
- Hacking
- Yes
- Hand-winding
- Yes
- Complications
- Time only
Design language
- Case shape
- round
- Dial style
- textured
- Bezel
- fixed
- Bracelet
- leather
- Hands
- dauphine
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Constellation collection · 11 watches
4 colorways
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Owners widely praise the Omega Constellation Observatory Co Axial Master Chronometer 39 4mm for its discreet and light presence, suitable for both formal and casual wear. Reviewers highlight its thin case band, achieved with dual sapphire crystals, and a 47.2mm lug-to-lug measurement, reinterpreting vintage design with a pie-pan dial, kite-shaped hands, and indexes. Some owners find the steel bracelet's edges sharp, and one owner notes Omega does not offer alternative straps for the notched design, though aftermarket options may fit. One owner reports the 39mm case appears large on a smaller wrist, while another finds it discreet. Overall, owners rate the Omega Constellation Observatory Co Axial Master Chronometer 39 4mm highly for its elegant design and wearable dimensions.
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