Side by side

Hamilton Jazzmaster Open Heart AutovsZelos Blacktip 200m GMT

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
Blacktip 200m GMT
ZelosBlacktip 200m GMT
MSRP $499

At a glance

12 of 29 specs differ
Diameter
Jazzmaster Open Heart Auto36mm
Blacktip 200m GMT41mm
Power Reserve
Jazzmaster Open Heart Auto80h
Blacktip 200m GMT40h
Water Resistance
Jazzmaster Open Heart Auto50m
Blacktip 200m GMT200m
MSRP
Jazzmaster Open Heart Auto$2,695
Blacktip 200m GMT$499

Full specifications

Case

7 specs
Category
Chronograph
GMT
Diameter
36mm
41mm
Thickness
10mm
13mm
Lug-to-Lug
46mm
41mm
Lug Width
18mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Mother of pearl
MOP

Movement

2 specs
Caliber
H-10
Seiko NH34 GMT
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.

Zelos Blacktip 200m GMT

Owners widely praise the Zelos Blacktip 200m GMT's solid bracelet construction and excellent bezel action. The watch has sold out quickly, indicating strong demand. Overall, owners rate the Zelos Blacktip 200m GMT highly for its robust build and desirable availability.

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