Side by side

Hamilton Jazzmaster Open Heart AutovsKUOE SOMBRERO 90-011

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
SOMBRERO 90-011
KUOESOMBRERO 90-011
MSRP $980

At a glance

13 of 29 specs differ
Diameter
Jazzmaster Open Heart Auto36mm
SOMBRERO 90-01138mm
Power Reserve
Jazzmaster Open Heart Auto80h
SOMBRERO 90-01142h
Water Resistance
Jazzmaster Open Heart Auto50m
SOMBRERO 90-011200m
MSRP
Jazzmaster Open Heart Auto$2,695
SOMBRERO 90-011$980

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
36mm
38mm
Thickness
10mm
12.45mm
Lug-to-Lug
46mm
45.5mm
Lug Width
18mm
20mm
Water Resistance
50m
200m

Crystal & Dial

4 specs
Crystal Shape
Flat
Dome
AR Coating
Inner
Yes
Dial Color
Mother of pearl
Black
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
H-10
Miyota 9039
Power Reserve
80h
42h

Pricing

1 specs
MSRP
$2,695
$980

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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.

KUOE SOMBRERO 90-011

Owners widely praise the KUOE SOMBRERO 90-011 for its stunning dials, blued hands, and quality finishing, with many highlighting its great value and vintage-inspired aesthetic. The comfortable jubilee bracelet and excellent lume are frequently mentioned positives. One owner notes the watch is "pretty thick in regards to height," and another points out minor criticism regarding the handset finish and crown edges, with indices and handset sharing a similar color that can obscure visibility. The KUOE SOMBRERO 90-011 utilizes a Miyota 9039 movement, with reported accuracy ranging from -10 to +30 seconds per day. Overall, owners rate the KUOE SOMBRERO 90-011 highly for its attractive design and value proposition.

From video reviewers

The KUOE SOMBRERO 90-011's vintage-inspired dial and hands are a strong point, with reviewers noting their aesthetic appeal. The watch's design is also praised for its uniqueness, with one reviewer calling it "design perfection." However, the relatively short 40-hour power reserve of the MIYOTA Cal.9039 automatic movement is a notable weakness.

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