Side by side

Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mmvsRolex Datejust

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

Speedmaster 38 Co Axial Chronometer Chronograph 38mm
OmegaSpeedmaster 38 Co Axial Chronometer Chronograph 38mm
MSRP $8,700
Datejust
RolexDatejust
MSRP $7,700
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 Datejust

The Rolex Datejust is widely praised for its versatility, robust elegance, and historical significance, serving as a foundational piece of the brand's legacy. Owners and reviewers frequently highlight its spectacular aesthetic variety, with numerous configurations available, and its comfortable wearability, particularly on the Jubilee bracelet. The 31mm case size is noted for its comfortable proportions, and the watch is considered durable for daily wear, suitable for both casual and formal occasions. Some owners appreciate the dynamic dial colors and the tactile experience of winding the automatic movement. However, some sources indicate that polished surfaces can scratch easily, and servicing is costly. The Rolex Datejust is generally not considered a good investment, with models typically depreciating upon purchase.

At a glance

18 of 29 specs differ
Diameter
Speedmaster 38 Co Axial Chronometer Chronograph 38mm38mm
Datejust31mm
Power Reserve
Speedmaster 38 Co Axial Chronometer Chronograph 38mm52h
Datejust55h
Water Resistance
Speedmaster 38 Co Axial Chronometer Chronograph 38mm100m
Datejust100m
MSRP
Speedmaster 38 Co Axial Chronometer Chronograph 38mm$8,700
Datejust$7,700

Full specifications

Case

8 specs
Category
Chronograph
Dress
Diameter
38mm
31mm
Thickness
14.7mm
Lug-to-Lug
44.9mm
Lug Width
18mm
20mm
Material
Steel & Yellow Gold
Oystersteel
Finish
Steel
White Rolesor - combination of Oystersteel and white gold
Caseback
Monobloc middle case, screw-down case back and winding crown

Crystal & Dial

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

Movement

5 specs
Caliber
Omega 3330
2236
Beat Rate
0 vph
28,800 vph
Power Reserve
52h
55h
Jewels
0
31
Complications
Chronograph
Date

Pricing

1 specs
MSRP
$8,700
$7,700
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