Side by side

Astor + Banks ChronovsHamilton Jazzmaster Open Heart Auto

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

Chrono
Astor + BanksChrono
MSRP $575
Jazzmaster Open Heart Auto
HamiltonJazzmaster Open Heart Auto
MSRP $2,695

At a glance

11 of 29 specs differ
Diameter
Chrono44mm
Jazzmaster Open Heart Auto36mm
Power Reserve
Chrono40h
Jazzmaster Open Heart Auto80h
Water Resistance
Chrono100m
Jazzmaster Open Heart Auto50m
MSRP
Chrono$575
Jazzmaster Open Heart Auto$2,695

Full specifications

Case

6 specs
Diameter
44mm
36mm
Thickness
10mm
Lug-to-Lug
46mm
Lug Width
20mm
18mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

1 specs
Dial Color
Black
Mother of pearl

Movement

3 specs
Caliber
Ronda 5050.B
H-10
Type
Quartz
Automatic
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$575
$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.

Astor + Banks Chrono

Owners widely praise the Astor + Banks Chrono for its sporty design, wrist-friendly 38.5mm size, and enthusiast-friendly price starting at $525. One reviewer notes the date numeral is consistently half in shadow due to deep-set placement. On balance, owners and reviewers rate the Astor + Banks Chrono highly for its design and value at the price point.

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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