Side by side

Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mmvsRolex Cosmograph Daytona

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 Speedmaster 38 Co Axial Chronometer Chronograph 38mm

Owners widely praise the Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mm for its refined 38mm sizing, which offers a perfect fit on smaller wrists, and its excellent chronometer accuracy, averaging around -1 second per day. The sunburst dial is considered excellent, though some find the watch appears "blingier" in person than in photos. A drawback noted by one owner is the pin-operated date change mechanism, which prevents adjustments while the watch is in use, and the lack of a screw-down crown. On balance, owners rate the Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mm highly for its comfortable wearability and updated design on smaller wrists.

Rolex Cosmograph Daytona

Owners widely praise the Rolex Cosmograph Daytona's design appeal and sleek, luxurious-yet-sporty proportions, with some finding it "absolutely gorgeous" and better in person than in photos. Reviewers note a subtly increased 40mm case size with balanced lugs and sharpened hour markers for improved legibility, and a ceramic bezel with a steel outer ring. Some owners question the value proposition of steel versions at MSRP, citing good but not exceptional finishing and a movement that isn't visible, while others find precious metal versions have shorter wait times. Owners are split on the watch's sizing and overall feel, with some finding it dated and others praising its perfection on the wrist. Overall, owners and reviewers rate the Rolex Cosmograph Daytona highly for its iconic design and wrist presence.

At a glance

16 of 29 specs differ
Diameter
Speedmaster 38 Co Axial Chronometer Chronograph 38mm38mm
Cosmograph Daytona40mm
Power Reserve
Speedmaster 38 Co Axial Chronometer Chronograph 38mm52h
Cosmograph Daytona72h
Water Resistance
Speedmaster 38 Co Axial Chronometer Chronograph 38mm100m
Cosmograph Daytona100m
MSRP
Speedmaster 38 Co Axial Chronometer Chronograph 38mm$8,700
Cosmograph Daytona$24,550

Full specifications

Case

7 specs
Diameter
38mm
40mm
Thickness
14.7mm
Lug-to-Lug
44.9mm
Lug Width
18mm
Material
Steel & Yellow Gold
Yellow Rolesor
Finish
Steel
18 kt yellow gold
Caseback
Monobloc middle case, screw-down case back and winding crown

Crystal & Dial

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

Movement

4 specs
Caliber
Omega 3330
4131
Beat Rate
0 vph
28,800 vph
Power Reserve
52h
72h
Jewels
0
47

Pricing

1 specs
MSRP
$8,700
$24,550
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