Side by side

Hamilton Jazzmaster Open Heart AutovsSpinnaker Fleuss Chronograph

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
Fleuss Chronograph
SpinnakerFleuss Chronograph
MSRP $325

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Open Heart Auto36mm
Fleuss Chronograph43mm
Power Reserve
Jazzmaster Open Heart Auto80h
Fleuss Chronograph40h
Water Resistance
Jazzmaster Open Heart Auto50m
Fleuss Chronograph100m
MSRP
Jazzmaster Open Heart Auto$2,695
Fleuss Chronograph$325

Full specifications

Case

6 specs
Diameter
36mm
43mm
Thickness
10mm
14mm
Lug-to-Lug
46mm
51mm
Lug Width
18mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

1 specs
Dial Color
Mother of pearl
Black

Movement

3 specs
Caliber
H-10
Seiko VK64
Type
Automatic
Quartz
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$2,695
$325

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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.

Spinnaker Fleuss Chronograph

The Spinnaker Fleuss Chronograph is praised for its impressive aesthetic, comfortable wearability, and excellent value at its affordable price point. One reviewer notes the chronograph function stops at 60 minutes and requires resetting. Owners report the internal bezel rotates too easily and the clasp lacks fine finishing. On balance, owners and reviewers rate the Spinnaker Fleuss Chronograph highly for its meticulous attention to detail and overall value.

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