Side by side

Hamilton Jazzmaster Open Heart AutovsMarathon Jeep Rubicon GSAR

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

Jazzmaster Open Heart Auto
HamiltonJazzmaster Open Heart Auto
MSRP $2,695
Jeep Rubicon GSAR
MarathonJeep Rubicon GSAR
MSRP $2,100

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Open Heart Auto36mm
Jeep Rubicon GSAR41mm
Power Reserve
Jazzmaster Open Heart Auto80h
Jeep Rubicon GSAR40h
Water Resistance
Jazzmaster Open Heart Auto50m
Jeep Rubicon GSAR300m
MSRP
Jazzmaster Open Heart Auto$2,695
Jeep Rubicon GSAR$2,100

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
36mm
41mm
Thickness
10mm
14mm
Lug-to-Lug
46mm
48mm
Lug Width
18mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
300m

Crystal & Dial

1 specs
Dial Color
Mother of pearl
Green

Movement

2 specs
Caliber
H-10
Sellita SW200-1
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$2,695
$2,100

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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 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.

Marathon Jeep Rubicon GSAR

The Marathon Jeep Rubicon GSAR is widely praised as a rugged, high-quality tool watch that successfully blends Jeep branding with Marathon's functional heritage, featuring a unique dial with tritium illumination and an automatic Sellita SW200-1 movement. Owners appreciate its satisfying bezel action and durable build, making it a reliable daily wear that pairs well with Jeep's rugged image. However, some find the Jeep logo to be corporate and out of place with Marathon's austere design ethos, while one owner notes that second-hand examples can show wear on the bezel. The watch is priced at $1,500 USD. Overall, owners and reviewers rate the Marathon Jeep Rubicon GSAR highly for its robust construction and distinctive tritium lume, which are considered its strongest assets.

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