Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mmvsTAG Heuer Carrera Chronosprint X Porsche

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mm at true scale

Speedmaster 38 Co Axial Chronometer Chronograph 38mm

TAG Heuer Carrera Chronosprint X Porsche at true scale

Carrera Chronosprint X Porsche

Diameter

38mm

42mm

Lug-to-Lug

44.9mm

n/a

Thickness

14.7mm

lowest

14.9mm

Water Resistance

100m

100m

Power Reserve

52h

80h

highest

MSRP

$8,700

lowest

$24,450

Movement

Omega 3330

TAG Heuer TH20-08

Case

6 specs
Diameter
38mm
42mm
Thickness
14.7mm
14.9mm
Lug-to-Lug
44.9mm
n/a
Lug Width
18mm
n/a
Material
Steel & Yellow Gold
18kt Rose Gold
Finish
Steel
Steel Fine-Brushed/Polished

Crystal & Dial

1 specs
Crystal Shape
Domed
n/a

Movement

3 specs
Caliber
Omega 3330
TAG Heuer TH20-08
Beat Rate
0 vph
28,800 vph
Power Reserve
52h
80h

Pricing

1 specs
MSRP
$8,700
$24,450
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Reviews

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 an updated design compared to older models. The sunburst dial is considered excellent, and the automatic movement delivers chronometer accuracy of approximately -1 second per day. Some owners find the watch to be not too big, though a few note it can appear thicker than expected and describe it as "blingier" in person than stock photos suggest. A drawback mentioned is the pin-operated date change mechanism, which prevents on-the-go adjustments, and the lack of a screw-down crown. On balance, owners rate the Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mm highly for its wearability and updated aesthetic on smaller wrists.

TAG Heuer Carrera Chronosprint X Porsche

Owners and reviewers widely praise the TAG Heuer Carrera Chronosprint X Porsche for its unique, motorsport-inspired chronograph complication that sweeps for 9.1 seconds, a feature described as a "blast to watch" and "luxury sporting theater." The Porsche connection is seen as subtle and tasteful by some, contributing to its appeal as a "beautiful watch" with an "artistic" design. However, the watch's 14.8mm thickness, attributed to its domed sapphire caseback, makes it difficult to wear under a cuff for some owners. The off-center date alignment is noted as a significant flaw at its $10,000 price point, with one owner finding the 30-minute counter's appearance problematic. Overall, owners and reviewers rate the TAG Heuer Carrera Chronosprint X Porsche highly for its distinctive chronograph function and Porsche-themed design, despite concerns about its thickness and date window placement at the price.

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