Side by side

Hamilton Jazzmaster Open Heart AutovsYema Flygraf Pilot

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
Flygraf Pilot
YemaFlygraf Pilot
MSRP $990

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Open Heart Auto36mm
Flygraf Pilot38.5mm
Power Reserve
Jazzmaster Open Heart Auto80h
Flygraf Pilot40h
Water Resistance
Jazzmaster Open Heart Auto50m
Flygraf Pilot100m
MSRP
Jazzmaster Open Heart Auto$2,695
Flygraf Pilot$990

Full specifications

Case

7 specs
Category
Chronograph
Pilot
Diameter
36mm
38.5mm
Thickness
10mm
8.8mm
Lug-to-Lug
46mm
Lug Width
18mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

1 specs
Dial Color
Mother of pearl
Black

Movement

2 specs
Caliber
H-10
Sellita SW200
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$2,695
$990

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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 Flygraf Pilot

Owners praise the Yema Flygraf Pilot's legible Type A dial, functional industrial aesthetic, and wearable 39mm/40mm size. Some owners report concerns with Yema's customer service and quality control, while others find the in-house movement acceptable. The titanium case scratches more easily, and the bracelet's pin-and-collar system and long links are noted drawbacks. Accuracy figures range from +8 to +/- 10 seconds per day. On balance, owners appreciate the Yema Flygraf Pilot's design and wearability, though some express caution due to past quality control and customer service issues.

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