Side by side

Hamilton Jazzmaster Open Heart AutovsLorier Hyperion SII Skyward

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
Hyperion SII Skyward
LorierHyperion SII Skyward
MSRP $599

At a glance

10 of 29 specs differ
Diameter
Jazzmaster Open Heart Auto36mm
Hyperion SII Skyward39mm
Power Reserve
Jazzmaster Open Heart Auto80h
Hyperion SII Skyward40h
Water Resistance
Jazzmaster Open Heart Auto50m
Hyperion SII Skyward200m
MSRP
Jazzmaster Open Heart Auto$2,695
Hyperion SII Skyward$599

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
36mm
39mm
Thickness
10mm
Lug-to-Lug
46mm
Lug Width
18mm
20mm
Water Resistance
50m
200m

Crystal & Dial

1 specs
Dial Color
Mother of pearl
Skyward

Movement

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

Pricing

1 specs
MSRP
$2,695
$599

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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.

Lorier Hyperion SII Skyward

Owners widely praise the Lorier Hyperion SII Skyward for its comfortable, thin, and light wearability, with one owner noting a perfect case width and another highlighting its 10.7mm thickness. The bi-directional GMT bezel is described as decent for its price, and the movement is considered fine and accurate, making it a low-key travel watch. The bracelet is also noted as well-made and finished for the price. On balance, owners rate the Lorier Hyperion SII Skyward highly for its comfortable wearability and value as a mechanical GMT.

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