Side by side

Hamilton Jazzmaster Open Heart AutovsYema Yachtingraff Seconde/Seconde/

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
Yachtingraff Seconde/Seconde/
YemaYachtingraff Seconde/Seconde/
MSRP $499

At a glance

10 of 29 specs differ
Diameter
Jazzmaster Open Heart Auto36mm
Yachtingraff Seconde/Seconde/38.5mm
Power Reserve
Jazzmaster Open Heart Auto80h
Yachtingraff Seconde/Seconde/40h
Water Resistance
Jazzmaster Open Heart Auto50m
Yachtingraff Seconde/Seconde/50m
MSRP
Jazzmaster Open Heart Auto$2,695
Yachtingraff Seconde/Seconde/$499

Full specifications

Case

5 specs
Diameter
36mm
38.5mm
Thickness
10mm
13mm
Lug-to-Lug
46mm
Lug Width
18mm
19mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Mother of pearl
Standard

Movement

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

Pricing

1 specs
MSRP
$2,695
$499

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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.

Yema Yachtingraff Seconde/Seconde/

The Yema Yachtingraff Seconde/Seconde/ is a collaboration watch featuring a hand-painted graffiti-style dial with wet paint drips and spray can pushers, powered by a Seiko VK63 meca-quartz movement. One owner noted slight marks on the lugs, bezel, and case of a pre-owned example, rating its condition at 88%. On balance, reviewers highlight the artistic and humorous blend of design elements as the watch's primary appeal.

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