Side by side

Hamilton American Classic RailRoad AutovsSpinnaker Dumas GMT

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

American Classic RailRoad Auto
HamiltonAmerican Classic RailRoad Auto
MSRP $1,295
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

11 of 29 specs differ
Diameter
American Classic RailRoad Auto32mm
Dumas GMT44mm
Power Reserve
American Classic RailRoad Auto43h
Dumas GMT40h
Water Resistance
American Classic RailRoad Auto50m
Dumas GMT300m
MSRP
American Classic RailRoad Auto$1,295
Dumas GMT$399

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
32mm
44mm
Thickness
11.3mm
15mm
Lug-to-Lug
46mm
48mm
Lug Width
16mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
300m

Crystal & Dial

1 specs
Dial Color
Beige
Blue

Movement

2 specs
Caliber
ETA 2681
Seiko NH34A
Power Reserve
43h
40h

Pricing

1 specs
MSRP
$1,295
$399

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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

Owners widely praise the Hamilton American Classic RailRoad Auto as a versatile everyday watch, noting its stellar appearance on bracelet or strap and the desirable H-10 movement providing an 80-hour power reserve. The 40mm case, measuring 11.35mm thick with slightly turned-down lugs, contributes to a thinner perceived profile. It is offered for $430 shipped and includes a travel pouch.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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