Side by side

Hamilton Jazzmaster Open Heart AutovsHelgray Superfast Automatic - Silver Panda

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
Superfast Automatic - Silver Panda
HelgraySuperfast Automatic - Silver Panda
MSRP $799

At a glance

8 of 29 specs differ
Diameter
Jazzmaster Open Heart Auto36mm
Superfast Automatic - Silver Panda40mm
Power Reserve
Jazzmaster Open Heart Auto80h
Superfast Automatic - Silver Panda40h
Water Resistance
Jazzmaster Open Heart Auto50m
Superfast Automatic - Silver Panda100m
MSRP
Jazzmaster Open Heart Auto$2,695
Superfast Automatic - Silver Panda$799

Full specifications

Case

4 specs
Diameter
36mm
40mm
Thickness
10mm
12mm
Lug Width
18mm
20mm
Water Resistance
50m
100m

Crystal & Dial

1 specs
Dial Color
Mother of pearl
Black

Movement

2 specs
Caliber
H-10
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$2,695
$799

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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.

Helgray Superfast Automatic - Silver Panda

The Helgray Superfast Automatic - Silver Panda is praised for its attractive, timeless panda aesthetic and value, featuring a reliable Seiko VK64 mecaquartz movement and sapphire crystal. However, its wearability is described as bulky and boxy, the lume is disappointing, lasting only 5-10 minutes, and the chronograph pusher action is slightly stiff. On balance, owners appreciate the Helgray Superfast Automatic - Silver Panda for its appealing panda dial and value proposition.

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