Side by side

Hamilton Jazzmaster Open Heart AutovsStudio Underd0g The Gimlet

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
The Gimlet
Studio Underd0gThe Gimlet
MSRP $1,000

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Open Heart Auto36mm
The Gimlet39.5mm
Power Reserve
Jazzmaster Open Heart Auto80h
The Gimlet40h
Water Resistance
Jazzmaster Open Heart Auto50m
The Gimlet
MSRP
Jazzmaster Open Heart Auto$2,695
The Gimlet$1,000

Full specifications

Case

6 specs
Category
Chronograph
Casual
Diameter
36mm
39.5mm
Thickness
10mm
Lug-to-Lug
46mm
Lug Width
18mm
Water Resistance
50m

Crystal & Dial

1 specs
Dial Color
Mother of pearl
Standard

Movement

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

Pricing

1 specs
MSRP
$2,695
$1,000

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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.

Studio Underd0g The Gimlet

Studio Underd0g The Gimlet is praised for its playful, layered dial construction featuring a textured sapphire disc over a luminous base, creating depth and animation, and its comfortable 38mm case dimensions. Owners note its attractive dial color and combination, though some find the design too similar to other models and question the aesthetic of the visible dial screws. The watch utilizes a reliable, tactile Sellita SW210-1 manual-wind movement. On balance, owners and reviewers rate Studio Underd0g The Gimlet highly for its unique dial construction and comfortable wearability.

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