Side by side

Omega Constellation Observatory Co Axial Master Chronometer 39 4mmvsRolex 1908

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 Observatory Co Axial Master Chronometer 39 4mm

Owners widely praise the Omega Constellation Observatory Co Axial Master Chronometer 39 4mm for its fantastic presence and discreet elegance, finding it suitable for both suits 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 certification as a Master Chronometer. Some owners find the case thick and the lugs awkward, while others prefer its clean design and unique details over other models. One owner wishes to switch straps but notes Omega does not sell alternatives. On balance, owners and reviewers appreciate the Omega Constellation Observatory Co Axial Master Chronometer 39 4mm for its elegant design and Master Chronometer certification, despite some reservations about case thickness and lug design.

Rolex 1908

Owners widely praise the Rolex 1908 for its slim 39mm case, elegant design, and display caseback showcasing the automatic caliber 7140. Reviewers note its half-domed, half-fluted bezel and 50m water resistance. However, a significant number of owners and reviewers question the Rolex 1908's value proposition, citing its high price point and comparing it unfavorably to competitors, with some suggesting it is overpriced. On balance, owners and reviewers find the Rolex 1908 a visually appealing dress watch but are divided on its value relative to its cost.

At a glance

16 of 29 specs differ
Diameter
Constellation Observatory Co Axial Master Chronometer 39 4mm39.4mm
190839mm
Power Reserve
Constellation Observatory Co Axial Master Chronometer 39 4mm60h
190867h
Water Resistance
Constellation Observatory Co Axial Master Chronometer 39 4mm30m
190850m
MSRP
Constellation Observatory Co Axial Master Chronometer 39 4mm$37,900
1908$28,850

Full specifications

Case

7 specs
Diameter
39.4mm
39mm
Thickness
12.23mm
Lug-to-Lug
47.2mm
Lug Width
19mm
Material
18kt Moonshine Gold
18kt Yellow Gold
Finish
O-MEGASTEEL
18 kt yellow gold
Water Resistance
30m
50m

Crystal & Dial

3 specs
Crystal Shape
Domed
Flat
Dial Color
Silver
Black
Indices
Index

Movement

5 specs
Caliber
Omega 8914
7140
Beat Rate
0 vph
28,800 vph
Power Reserve
60h
67h
Jewels
0
38
Complications
None
Small Seconds

Pricing

1 specs
MSRP
$37,900
$28,850
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Omega Constellation Observatory Co Axial Master Chronometer 39 4mm vs Rolex 1908 gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.