Side by side

Hamilton Jazzmaster Auto ChronovsOmega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm

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

What people say

Owners + reviewers, side by side

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

Hamilton Jazzmaster Auto Chrono

Owners widely praise the Hamilton Jazzmaster Auto Chrono for its excellent value, blend of classy and sporty design, and detailed dial with applied markers. The watch is noted for its impressive accuracy, with figures ranging from +0.5 to +3 seconds per day. Its 42mm case is described as a classic size with a mix of polished and brushed finishes, and the reverse panda dial is a particular highlight for some. However, the lume is consistently criticized as fading quickly and being underwhelming, and the internal bezel's functionality is found to be cumbersome. One owner found the watch too formal for their needs, while another noted the square case can wear larger than some alternatives. Overall, owners rate the Hamilton Jazzmaster Auto Chrono highly for its exceptional value and attractive, accurate timekeeping.

From video reviewers

The watch features a quality automatic chronograph movement. The date setting mechanism, requiring a specialized pusher tool, is a notable drawback. Reviewers disagreed on whether the watch competes effectively with luxury alternatives at its price point.

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

Owners widely praise the Omega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm for its stunning, photorealistic moonphase complication, often highlighting the detail of the boot print on the moon. Reviewers and owners alike note the watch's excellent finishing, with a ceramic bezel and sun-brushed dial that are described as popping in sunlight. The chronograph buttons are also singled out for their buttery feel. However, the watch's 44.25mm case size and significant thickness (around 16.85mm to 17mm) are frequently mentioned as making it wear large and potentially challenging to fit under a dress cuff, with some suggesting it feels like a "beast" or "chunky." One owner found the crown guards sharp when winding and the crown difficult to pull out.

At a glance

15 of 29 specs differ
Diameter
Jazzmaster Auto Chrono42mm
Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm44.25mm
Power Reserve
Jazzmaster Auto Chrono60h
Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm60h
Water Resistance
Jazzmaster Auto Chrono100m
Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm100m
MSRP
Jazzmaster Auto Chrono$1,845
Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm$42,400

Full specifications

Case

7 specs
Diameter
42mm
44.25mm
Thickness
14.83mm
16.85mm
Lug-to-Lug
46mm
50mm
Lug Width
22mm
21mm
Material
Stainless Steel
18kt Sedna Gold
Finish
Brushed and polished
Steel
Caseback
Solid

Crystal & Dial

3 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Indices
Applied

Movement

4 specs
Caliber
H-31
Omega 9904
Beat Rate
28,800 vph
0 vph
Jewels
25
0
Complications
None
Chronograph, Moonphase

Pricing

1 specs
MSRP
$1,845
$42,400
Keep exploring

More watches worth a look

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

Follow this matchup

Get a note when Hamilton Jazzmaster Auto Chrono vs Omega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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