Side by side

Baltic Aquascaphe MK2vsGrand Seiko SBGR321

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

Aquascaphe MK2
BalticAquascaphe MK2
MSRP $680
SBGR321
Grand SeikoSBGR321
MSRP $5,200

At a glance

10 of 29 specs differ
Diameter
Aquascaphe MK237mm
SBGR32140mm
Power Reserve
Aquascaphe MK242h
SBGR32172h
Water Resistance
Aquascaphe MK2200m
SBGR321100m
MSRP
Aquascaphe MK2$680
SBGR321$5,200

Full specifications

Case

5 specs
Category
Diver
Dress
Diameter
37mm
40mm
Thickness
12.9mm
13mm
Lug-to-Lug
45mm
46.6mm
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
Blue
Black
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9039
9S65
Power Reserve
42h
72h

Pricing

1 specs
MSRP
$680
$5,200

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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.

Grand Seiko SBGR321

Grand Seiko SBGR321 owners and reviewers widely praise its attractive design, compelling dimensions, and robust movement. The watch features sharp case lines with contrasting brushing and polishing, a 40mm steel case that provides presence without bulk, and 100m water resistance. Its sunburst blue dial, inspired by the dawn sky over Mount Iwate, showcases Grand Seiko's signature finishing on applied markers and hands, with a red-tipped seconds hand. The 9S65 automatic movement is noted for its precision, running within specifications, with one source reporting a +5 to -3 seconds a day rate and a 3-day power reserve. A blue rotor with a crimson rim, also inspired by Mount Iwate, is visible through the display caseback. On balance, owners and reviewers rate the Grand Seiko SBGR321 highly for its exceptional finishing and compelling blue dial design at its price point.

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