Side by side

Hamilton American Classic RailRoad AutovsGrand Seiko SLGB006

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
SLGB006
Grand SeikoSLGB006
MSRP $43,600
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.

Grand Seiko SLGB006

The Grand Seiko SLGB006 is praised for its stunning "Ice Forest at Dawn" textured dial and 37mm 18k yellow gold case, with some finding it gorgeous enough to wear even if they don't typically prefer gold watches. It houses the Spring Drive Calibre 9RB2 movement, noted for its "Ultra Fine Accuracy" of ±20 seconds per year and a 72-hour power reserve. However, the Grand Seiko SLGB006 is considered expensive by some, with a price of $43,600 or €44,700 for its limited production of 80 pieces, and one owner suggests alternatives offer a more refined feel. The watch lacks the Evolution 9 micro-adjustment system. Overall, owners and reviewers highlight the Grand Seiko SLGB006's striking dial and movement accuracy as its primary strengths, despite its high price point and limited availability.

At a glance

12 of 29 specs differ
Diameter
American Classic RailRoad Auto32mm
SLGB00637mm
Power Reserve
American Classic RailRoad Auto43h
SLGB00672h
Water Resistance
American Classic RailRoad Auto50m
SLGB006100m
MSRP
American Classic RailRoad Auto$1,295
SLGB006$43,600

Full specifications

Case

6 specs
Diameter
32mm
37mm
Thickness
11.3mm
11.4mm
Lug-to-Lug
46mm
44.3mm
Lug Width
16mm
20mm
Material
Stainless Steel
Gold
Water Resistance
50m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Beige
Black

Movement

3 specs
Caliber
ETA 2681
9RB2
Type
Automatic
Spring Drive
Power Reserve
43h
72h

Pricing

1 specs
MSRP
$1,295
$43,600
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