Side by side

Hamilton American Classic RailRoad Auto ChronovsYema Superman Tourbillon CMM.31 Limited Edition

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

American Classic RailRoad Auto Chrono
HamiltonAmerican Classic RailRoad Auto Chrono
MSRP $2,045
Superman Tourbillon CMM.31 Limited Edition
YemaSuperman Tourbillon CMM.31 Limited Edition
MSRP $13,000

At a glance

10 of 29 specs differ
Diameter
American Classic RailRoad Auto Chrono44mm
Superman Tourbillon CMM.31 Limited Edition43mm
Power Reserve
American Classic RailRoad Auto Chrono60h
Superman Tourbillon CMM.31 Limited Edition40h
Water Resistance
American Classic RailRoad Auto Chrono50m
Superman Tourbillon CMM.31 Limited Edition300m
MSRP
American Classic RailRoad Auto Chrono$2,045
Superman Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

5 specs
Category
Chronograph
Diver
Diameter
44mm
43mm
Thickness
15.3mm
11.7mm
Lug-to-Lug
46mm
Water Resistance
50m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Steel

Movement

2 specs
Caliber
H-21
Yema CMM.31 Tourbillon
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,045
$13,000

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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.

Yema Superman Tourbillon CMM.31 Limited Edition

Owners praise the Yema Superman Tourbillon CMM.31 Limited Edition as an incredible and crazy watch, appreciating its unnecessary tourbillon complication and impressive specifications at a remarkable price point. The titanium construction contributes to comfort despite the 43mm case size. One reviewer notes the bracelet clasp's extension system is somewhat crude. On balance, owners and reviewers rate the Yema Superman Tourbillon CMM.31 Limited Edition highly for its compelling tourbillon feature at an accessible price.

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