Side by side

Geckota Chronotimer ChronographvsHamilton Jazzmaster Open Heart Auto

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

Chronotimer Chronograph
GeckotaChronotimer Chronograph
MSRP $299
Jazzmaster Open Heart Auto
HamiltonJazzmaster Open Heart Auto
MSRP $2,695

At a glance

12 of 29 specs differ
Diameter
Chronotimer Chronograph42mm
Jazzmaster Open Heart Auto36mm
Power Reserve
Chronotimer Chronograph40h
Jazzmaster Open Heart Auto80h
Water Resistance
Chronotimer Chronograph100m
Jazzmaster Open Heart Auto50m
MSRP
Chronotimer Chronograph$299
Jazzmaster Open Heart Auto$2,695

Full specifications

Case

6 specs
Diameter
42mm
36mm
Thickness
13mm
10mm
Lug-to-Lug
46mm
Lug Width
22mm
18mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Classic Reverse Panda
Mother of pearl

Movement

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

Pricing

1 specs
MSRP
$299
$2,695

Follow this matchup

Get a note when Geckota Chronotimer Chronograph vs Hamilton Jazzmaster Open Heart Auto gets more votes, a community discussion, or a price drop. No account needed.

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 Chronograph

Owners widely praise the Geckota Chronotimer Chronograph's appealing design, comfortable wear, and excellent lume, with many noting it draws compliments. The hand-wound mechanical movement is considered a solid workhorse, and the cushion case and matching sub-dials are frequently highlighted as attractive design elements. Some owners find the red dial a "funky look" and appreciate how the strap color contrasts well, though one owner described the red shade as "weird." The Geckota Chronotimer Chronograph wears large, and some owners have hesitated due to its size. Overall, owners rate the Geckota Chronotimer Chronograph highly for its eye-catching design and comfortable wearability at a reasonable price.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.