Side by side

Marathon Arctic OSAR 41mm AutomaticvsHamilton Jazzmaster Open Heart Auto

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

Arctic OSAR 41mm Automatic
MarathonArctic OSAR 41mm Automatic
MSRP $1,800
Jazzmaster Open Heart Auto
HamiltonJazzmaster Open Heart Auto
MSRP $2,695

At a glance

10 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
Jazzmaster Open Heart Auto36mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Jazzmaster Open Heart Auto80h
Water Resistance
Arctic OSAR 41mm Automatic300m
Jazzmaster Open Heart Auto50m
MSRP
Arctic OSAR 41mm Automatic$1,800
Jazzmaster Open Heart Auto$2,695

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
41mm
36mm
Thickness
13mm
10mm
Lug-to-Lug
43.5mm
46mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

1 specs
Dial Color
White
Mother of pearl

Movement

2 specs
Caliber
Sellita SW220-1
H-10
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$1,800
$2,695

Follow this matchup

Get a note when Marathon Arctic OSAR 41mm Automatic 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.

Marathon Arctic OSAR 41mm Automatic

The Marathon Arctic OSAR 41mm Automatic is noted for its comfortable wearability on wrists under 7 inches, with one owner finding the 41mm size perfect. Accuracy observations vary, with one owner reporting a consistent +1 second per day and another noting -20 seconds per day. The watch features a Sellita automatic movement and has dimensions of 14mm thickness and a 48mm lug-to-lug. Overall, owners appreciate the Marathon Arctic OSAR 41mm Automatic for its comfortable fit and Marathon's overall appeal.

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.