Omega Speedmaster Moonwatch Professional Co Axial Master Chronometer Chronograph 42mmvsOmega Speedmaster 38 Co Axial Chronometer Chronograph 38mm

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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 Moonwatch Professional Co Axial Master Chronometer Chronograph 42mm at true scale

Speedmaster Moonwatch Professional Co Axial Master Chronometer Chronograph 42mm

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

Speedmaster 38 Co Axial Chronometer Chronograph 38mm

Diameter

42mm

38mm

Lug-to-Lug

47.5mm

44.9mm

lowest

Thickness

13.2mm

lowest

14.7mm

Water Resistance

50m

100m

highest

Power Reserve

50h

52h

highest

MSRP

$36,100

$23,300

lowest

Movement

Omega 3861

Omega 3330

Case

5 specs
Diameter
42mm
38mm
Thickness
13.18mm
14.7mm
Lug-to-Lug
47.5mm
44.9mm
Lug Width
20mm
18mm
Water Resistance
50m
100m

Crystal & Dial

1 specs
Dial Color
Black
Silver

Movement

3 specs
Caliber
Omega 3861
Omega 3330
Type
Manual
Automatic
Power Reserve
50h
52h

Pricing

1 specs
MSRP
$36,100
$23,300
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Omega Speedmaster Moonwatch Professional Co Axial Master Chronometer Chronograph 42mm

Owners widely praise the Omega Speedmaster Moonwatch Professional Co Axial Master Chronometer Chronograph 42mm for its historical significance, iconic design, and wearability, with some finding it provides more personal satisfaction than more expensive watches. Reviewers note the updated 3861 movement offers improved accuracy and magnetic resistance, and the bracelet is a significant enhancement. The redesigned case and dial details are seen as aesthetic advances, and the Hesalite crystal, while scratch-prone, is polishable. Some owners find the current prices too high, suggesting it is overrated and overpriced at $7,000, citing a lack of applied markers and mediocre lume, while others disagree, highlighting its value at lower price points and its status as the best movement in the line.

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.

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