Side by side

Hamilton American Classic RailRoad AutovsSeiko Diamond Collection

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
Diamond Collection
SeikoDiamond Collection
MSRP $525
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.

Seiko Diamond Collection

Owners widely praise the Seiko Diamond Collection for its stunning beauty, particularly highlighting the 14 diamonds and the captivating mother-of-pearl dial. Its 33.2mm case size, 100m water resistance, sapphire crystal, and lightweight build are appreciated features contributing to comfortable wear. Some owners find the dial detail is best appreciated in direct sunlight. The gold plating on some models may show fading from desk work over time. Overall, owners rate the Seiko Diamond Collection highly for its dazzling aesthetics and comfortable, well-finished design at its price point.

At a glance

8 of 29 specs differ
Diameter
American Classic RailRoad Auto32mm
Diamond Collection32mm
Power Reserve
American Classic RailRoad Auto43h
Diamond Collection40h
Water Resistance
American Classic RailRoad Auto50m
Diamond Collection100m
MSRP
American Classic RailRoad Auto$1,295
Diamond Collection$525

Full specifications

Case

4 specs
Thickness
11.3mm
8.2mm
Lug-to-Lug
46mm
39mm
Lug Width
16mm
15mm
Water Resistance
50m
100m

Crystal & Dial

1 specs
Dial Color
Beige
Black

Movement

2 specs
Caliber
ETA 2681
6N32
Power Reserve
43h
40h

Pricing

1 specs
MSRP
$1,295
$525
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