Side by side

Baltic Aquascaphe Dual-Crown - Black PVDvsGrand Seiko SBGR321

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

Aquascaphe Dual-Crown - Black PVD
BalticAquascaphe Dual-Crown - Black PVD
MSRP $724
SBGR321
Grand SeikoSBGR321
MSRP $5,200

At a glance

10 of 29 specs differ
Diameter
Aquascaphe Dual-Crown - Black PVD39mm
SBGR32140mm
Power Reserve
Aquascaphe Dual-Crown - Black PVD42h
SBGR32172h
Water Resistance
Aquascaphe Dual-Crown - Black PVD200m
SBGR321100m
MSRP
Aquascaphe Dual-Crown - Black PVD$724
SBGR321$5,200

Full specifications

Case

5 specs
Category
Diver
Dress
Diameter
39mm
40mm
Thickness
11mm
13mm
Lug-to-Lug
47mm
46.6mm
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
Crown - Black PVD - Black
Black
Lume
BGW9
None

Movement

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

Pricing

1 specs
MSRP
$724
$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 Dual-Crown - Black PVD

The Baltic Aquascaphe Dual-Crown - Black PVD is widely praised for its refined case finishing, including polished chamfers and brushed lugs, and its comfortable, wearable 39mm size. Reviewers highlight its clean dial design and excellent legibility, with some noting improved legibility from larger lume-filled markers. The functional internal bezel, operated by a non-screw-down crown, is a key feature for dive timing. The watch utilizes a Miyota 9039 automatic movement with a 42-hour power reserve and hacking seconds. One reviewer found the 4 o'clock crown for time setting to be fiddly, and another noted the sapphire crystal can be somewhat reflective. The price is cited as €550 or €650 (ex VAT). On balance, reviewers commend the Baltic Aquascaphe Dual-Crown - Black PVD for its vintage-inspired aesthetic combined with modern build quality and wearability at its price point.

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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