Side by side

Geckota Chronotimer Sports EditionvsHamilton Jazzmaster Open Heart Auto

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

Chronotimer Sports Edition
GeckotaChronotimer Sports Edition
MSRP $499
Jazzmaster Open Heart Auto
HamiltonJazzmaster Open Heart Auto
MSRP $2,695

At a glance

10 of 29 specs differ
Diameter
Chronotimer Sports Edition41.5mm
Jazzmaster Open Heart Auto36mm
Power Reserve
Chronotimer Sports Edition40h
Jazzmaster Open Heart Auto80h
Water Resistance
Chronotimer Sports Edition100m
Jazzmaster Open Heart Auto50m
MSRP
Chronotimer Sports Edition$499
Jazzmaster Open Heart Auto$2,695

Full specifications

Case

6 specs
Diameter
41.5mm
36mm
Thickness
12.35mm
10mm
Lug-to-Lug
47.8mm
46mm
Lug Width
22mm
18mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

1 specs
Dial Color
Maroon
Mother of pearl

Movement

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

Pricing

1 specs
MSRP
$499
$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.

Geckota Chronotimer Sports Edition

The Geckota Maroon Red strap is considered decent with good colors by one owner, but the red stripes are too thick and the lines are too close together, and it is also noted as being too long with "meh" colors compared to other options. On balance, owners and reviewers find the Geckota Maroon Red strap to be a functional accessory with some aesthetic drawbacks.

From video reviewers

The polished and brushed steel case finishing is a shared strength. The hand-wound mechanical chronograph movement is also a consistent point. No shared weaknesses were identified.

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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