Side by side

Dan Henry 1975vsHamilton Jazzmaster Open Heart Auto

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

1975
Dan Henry1975
MSRP $310
Jazzmaster Open Heart Auto
HamiltonJazzmaster Open Heart Auto
MSRP $2,695

At a glance

11 of 29 specs differ
Diameter
197539mm
Jazzmaster Open Heart Auto36mm
Power Reserve
197540h
Jazzmaster Open Heart Auto80h
Water Resistance
1975150m
Jazzmaster Open Heart Auto50m
MSRP
1975$310
Jazzmaster Open Heart Auto$2,695

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
39mm
36mm
Thickness
10.5mm
10mm
Lug-to-Lug
42mm
46mm
Lug Width
20mm
18mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
150m
50m

Crystal & Dial

1 specs
Dial Color
White
Mother of pearl

Movement

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

Pricing

1 specs
MSRP
$310
$2,695

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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.

Dan Henry 1975

Owners and reviewers praise the Dan Henry 1975 for its excellent value, retro styling, attractive dial with orange accents, and thin, wearable case. The bubble crystal is a highlight, though some find the lume weak. The Miyota 9015 movement offers hacking seconds and a 42-hour power reserve, with accuracy reported between -10/+30 seconds per day. The push-pull crown means it is not a true diver, and the black sapphire bezel can wash out in certain light. Overall, owners and reviewers rate the Dan Henry 1975 highly for its retro charm and superb value.

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.

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