Side by side

Hamilton American Classic RailRoad 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 American Classic RailRoad Auto Chrono

Owners widely praise the Hamilton American Classic RailRoad Auto Chrono for its historical brand appeal and spectacular appearance, calling the ETA 7750 movement a "tank" and appreciating the date magnifier's integration. Some find its design a bit busy compared to other models. One owner notes an 80-hour power reserve from the H-10 movement and a 40mm case with turned-down lugs for a thinner appearance. Overall, owners rate the Hamilton American Classic RailRoad Auto Chrono highly for its historical brand appeal and robust movement 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

16 of 29 specs differ
Diameter
American Classic RailRoad Auto Chrono44mm
Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm44.25mm
Power Reserve
American Classic RailRoad Auto Chrono60h
Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm60h
Water Resistance
American Classic RailRoad Auto Chrono50m
Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm100m
MSRP
American Classic RailRoad Auto Chrono$2,045
Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm$42,400

Full specifications

Case

8 specs
Diameter
44mm
44.25mm
Thickness
15.3mm
16.85mm
Lug-to-Lug
46mm
50mm
Lug Width
22mm
21mm
Material
Stainless Steel
18kt Sedna Gold
Finish
Brushed and polished
Steel
Water Resistance
50m
100m
Caseback
Solid

Crystal & Dial

3 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Indices
Applied

Movement

4 specs
Caliber
H-21
Omega 9904
Beat Rate
28,800 vph
0 vph
Jewels
25
0
Complications
None
Chronograph, Moonphase

Pricing

1 specs
MSRP
$2,045
$42,400
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