Side by side

Hamilton Jazzmaster Open Heart AutovsHamilton American Classic RailRoad Auto

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 Jazzmaster Open Heart Auto

The Hamilton Jazzmaster Open Heart Auto is noted for its dressy yet versatile design, featuring striking gradient dials and intricately shaped cutouts that reveal the H-10 movement. It boasts an 80-hour power reserve and Nivachron hairspring. The watch is available in 36mm, 40mm, or 42mm stainless steel cases. On balance, the Hamilton Jazzmaster Open Heart Auto is appreciated for its visually engaging dial and movement display at its price point.

From video reviewers

The smoked dial's precision cutouts offer a captivating view of the automatic movement. Legibility is compromised by the open-heart design.

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.

At a glance

8 of 29 specs differ
Diameter
Jazzmaster Open Heart Auto36mm
American Classic RailRoad Auto32mm
Power Reserve
Jazzmaster Open Heart Auto80h
American Classic RailRoad Auto43h
Water Resistance
Jazzmaster Open Heart Auto50m
American Classic RailRoad Auto50m
MSRP
Jazzmaster Open Heart Auto$2,695
American Classic RailRoad Auto$1,295

Full specifications

Case

4 specs
Category
Chronograph
Dress
Diameter
36mm
32mm
Thickness
10mm
11.3mm
Lug Width
18mm
16mm

Crystal & Dial

1 specs
Dial Color
Mother of pearl
Beige

Movement

2 specs
Caliber
H-10
ETA 2681
Power Reserve
80h
43h

Pricing

1 specs
MSRP
$2,695
$1,295
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