Side by side

Baltic Aquascaphe MK2vsHamilton Jazzmaster Open Heart Auto

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

Aquascaphe MK2
BalticAquascaphe MK2
MSRP $680
Jazzmaster Open Heart Auto
HamiltonJazzmaster Open Heart Auto
MSRP $2,695

At a glance

12 of 29 specs differ
Diameter
Aquascaphe MK237mm
Jazzmaster Open Heart Auto36mm
Power Reserve
Aquascaphe MK242h
Jazzmaster Open Heart Auto80h
Water Resistance
Aquascaphe MK2200m
Jazzmaster Open Heart Auto50m
MSRP
Aquascaphe MK2$680
Jazzmaster Open Heart Auto$2,695

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
37mm
36mm
Thickness
12.9mm
10mm
Lug-to-Lug
45mm
46mm
Lug Width
20mm
18mm
Water Resistance
200m
50m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Blue
Mother of pearl
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9039
H-10
Power Reserve
42h
80h

Pricing

1 specs
MSRP
$680
$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.

Baltic Aquascaphe MK2

The Baltic Aquascaphe MK2 is widely praised for its refined case design, improved lume with applied markers, and added crown guards, presenting a sharper and more purposeful neo-retro dive watch. Owners and reviewers highlight its updated technical and design elements, including a fully graduated sapphire bezel and two case size options (37mm and 39.5mm), all while maintaining a reasonable price point. Some find the design derivative or less cohesive than its predecessor, with one owner noting the long, straight lugs as a significant drawback, while others appreciate the dial texture and case profile. The Baltic Aquascaphe MK2 is powered by the Miyota 9039 movement with a 42-hour power reserve and offers 200m water resistance. Overall, owners and reviewers rate the Baltic Aquascaphe MK2 highly for its value and contemporary updates to a tool-watch heritage.

From video reviewers

The Baltic Aquascaphe MK2 features 3D Super-LumiNova indexes for improved legibility. A notable weakness is the lack of lume brightness. Reviewers disagree on the optimal case size, with one reviewer noting a 41mm stainless steel case is comfortable for everyday wear, while the other mentions 37mm and 39.5mm case sizes are available.

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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