Side by side

Omega Constellation Co Axial Master ChronometervsRolex Sky-Dweller

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Omega Constellation Co Axial Master Chronometer

Owners widely praise the Omega Constellation Co Axial Master Chronometer as an underrated model and a potential heirloom, citing its handsome, well-built nature and refined yet sporty design. One owner notes that Omega does not offer alternative straps, and aftermarket options may not fit due to the Constellation's notched design. The watch features an automatic Omega 8700 movement and 50m water resistance. Overall, owners and reviewers consider the Omega Constellation Co Axial Master Chronometer a well-built, elegant timepiece that is highly regarded as a potential heirloom.

Rolex Sky-Dweller

The Rolex Sky-Dweller is widely praised for its exceptionally good fit and finish, with crisply defined dial markers and hands showing irreproachable attention to detail. Owners appreciate its complexity, rarity, and unique presence, with many considering it Rolex's most complicated watch and a conversation starter, distinct from the Datejust. The dual-time zone and annual calendar complication, controlled by the Ring Command Bezel, are seen as difficult to replicate and offer good value within Rolex's lineup. However, opinions are split on the 42mm case size, with some finding it too large and heavy, even uncomfortable on smaller wrists, while others report it wears surprisingly well. Certain configurations, like the stainless steel blue or green dial models, are very difficult to obtain from authorized dealers and command high grey market prices.

At a glance

18 of 29 specs differ
Diameter
Constellation Co Axial Master Chronometer29mm
Sky-Dweller42mm
Power Reserve
Constellation Co Axial Master Chronometer50h
Sky-Dweller72h
Water Resistance
Constellation Co Axial Master Chronometer50m
Sky-Dweller100m
MSRP
Constellation Co Axial Master Chronometer$23,100
Sky-Dweller$51,400

Full specifications

Case

8 specs
Category
Dress
GMT
Diameter
29mm
42mm
Thickness
12mm
Lug-to-Lug
31.2mm
46mm
Material
18kt Sedna Gold
18 kt yellow gold
Finish
Steel
White Rolesor - combination of Oystersteel and white gold
Water Resistance
50m
100m
Caseback
Monobloc middle case, screw-down case back and winding crown

Crystal & Dial

4 specs
Crystal Shape
Domed
Flat
Dial Color
Silver
Blue
Indices
Index
Lume
None
Chromalight

Movement

5 specs
Caliber
Omega 8700
9002
Beat Rate
0 vph
28,800 vph
Power Reserve
50h
72h
Jewels
0
40
Complications
None
GMT, Annual Calendar, Date

Pricing

1 specs
MSRP
$23,100
$51,400
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