Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mmvsRolex Cosmograph Daytona

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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

Rolex Cosmograph Daytona at true scale

Cosmograph Daytona

Diameter

38mm

40mm

Lug-to-Lug

44.9mm

n/a

Thickness

14.7mm

n/a

Water Resistance

100m

100m

Power Reserve

52h

72h

highest

MSRP

$23,300

lowest

$24,550

Movement

Omega 3330

4131

Case

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

Crystal & Dial

4 specs
Crystal Shape
Domed
Flat
Dial Color
Silver
Turquoise
Indices
n/a
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
$23,300
$24,550
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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 suitability for smaller wrists and its attractive sunburst dial, with some noting its timeless design and technical improvements. However, opinions are divided on its thickness, with some finding it chunky and others considering its dimensions perfect. The integrated date corrector, requiring a pin, is frequently cited as a hassle by users. On balance, owners and reviewers appreciate the Omega Speedmaster 38 Co Axial Chronometer Chronograph 38mm for its refined design and wearability on smaller wrists, despite differing views on its case thickness.

Rolex Cosmograph Daytona

Owners widely praise the Rolex Cosmograph Daytona for its "absolutely gorgeous" appearance that photos do not capture, with some finding its proportions sleek and luxurious-yet-sporty. The 40mm case size is noted as balanced, and one owner found the rubber strap exceptionally comfortable. However, some owners question the value proposition of steel versions at MSRP, citing good but not exceptional finishing and a movement that is not visible, while others find the watch underwhelming with dated sizing. The Rolex Cosmograph Daytona ref. 126500 features a ceramic bezel with a steel outer ring and a calibre 4131 movement. Overall, owners and reviewers rate the Rolex Cosmograph Daytona highly for its striking aesthetics and comfortable wearability, despite some reservations about its value at market prices.

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