Omega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mmvsOmega Speedmaster 38 Co Axial Chronometer Chronograph 38mm

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures

Measurements

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

Omega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm at true scale

Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm

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

Speedmaster 38 Co Axial Chronometer Chronograph 38mm

Diameter

44.3mm

38mm

Lug-to-Lug

50mm

44.9mm

lowest

Thickness

16.9mm

14.7mm

lowest

Water Resistance

100m

100m

Power Reserve

60h

highest

52h

MSRP

$42,400

$23,300

lowest

Movement

Omega 9904

Omega 3330

Case

4 specs
Diameter
44.25mm
38mm
Thickness
16.85mm
14.7mm
Lug-to-Lug
50mm
44.9mm
Lug Width
21mm
18mm

Crystal & Dial

1 specs
Dial Color
Black
Silver

Movement

3 specs
Caliber
Omega 9904
Omega 3330
Power Reserve
60h
52h
Complications
Chronograph, Moonphase
Chronograph

Pricing

1 specs
MSRP
$42,400
$23,300
Keep your wishlist and collection together in the appExplore the app

Reviews

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

Omega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm

The Omega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm is widely praised for its detailed and photorealistic moonphase complication, featuring a boot print Easter egg, and its exceptional finishing, including a ceramic bezel and sun-brushed dial. Owners and reviewers consistently highlight the beauty of the complication and the overall build quality. However, the watch's 44.25mm case size and considerable thickness (around 16.85mm to 17mm) are frequently noted as making it wear large and potentially challenging to fit under dress cuffs, with some suggesting it feels "chunky" or like a "beast." One reviewer found the crown guards sharp when winding and the crown difficult to pull out. On balance, owners and reviewers appreciate the Omega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm for its stunning moonphase detail and high-end finishing, despite its substantial size.

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.

Similar watches

Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.

DiscussionNot started

Also compared

Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.