Side by side

Hamilton Jazzmaster Open Heart AutovsMaen Lunar Classic 36

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
Lunar Classic 36
MaenLunar Classic 36
MSRP $1,271

At a glance

10 of 29 specs differ
Diameter
Jazzmaster Open Heart Auto36mm
Lunar Classic 3636mm
Power Reserve
Jazzmaster Open Heart Auto80h
Lunar Classic 3640h
Water Resistance
Jazzmaster Open Heart Auto50m
Lunar Classic 3650m
MSRP
Jazzmaster Open Heart Auto$2,695
Lunar Classic 36$1,271

Full specifications

Case

5 specs
Category
Chronograph
Dress
Thickness
10mm
9.8mm
Lug-to-Lug
46mm
Lug Width
18mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Mother of pearl
M7.1.1

Movement

2 specs
Caliber
H-10
Sellita SW280-1
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$2,695
$1,271

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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.

Maen Lunar Classic 36

The Maen Lunar Classic 36 is lauded for its attractive salmon dial with radial brushing and its appealing moonphase complication, complemented by a brick bracelet praised for its drape and case integration. Reviewers note the watch's vintage-inspired styling and elegant dial. One reviewer, however, would prefer the omission of lume for a cleaner look, while another would opt for white lume over faux patina and suggests removing the crosshairs from the moonphase sub-dial. The watch is powered by a Sellita SW280-1 movement and was available for pre-order starting at €1,049. Overall, reviewers appreciate the Maen Lunar Classic 36 for its stylish design and well-executed detailing, particularly the dial and bracelet.

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