Side by side

Baltic Aquascaphe Dual-Crown - Black PVDvsGrand Seiko SBGA427

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
SBGA427
Grand SeikoSBGA427
MSRP $5,800

At a glance

11 of 29 specs differ
Diameter
Aquascaphe Dual-Crown - Black PVD39mm
SBGA42739mm
Power Reserve
Aquascaphe Dual-Crown - Black PVD42h
SBGA42772h
Water Resistance
Aquascaphe Dual-Crown - Black PVD200m
SBGA427100m
MSRP
Aquascaphe Dual-Crown - Black PVD$724
SBGA427$5,800

Full specifications

Case

5 specs
Category
Diver
Dress
Thickness
11mm
12.3mm
Lug-to-Lug
47mm
46.8mm
Lug Width
20mm
19mm
Water Resistance
200m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
Miyota 9039
9R65
Type
Automatic
Spring Drive
Power Reserve
42h
72h

Pricing

1 specs
MSRP
$724
$5,800

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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 SBGA427

Grand Seiko SBGA427 owners widely praise its extensive Zaratsu polishing and the "hall of mirrors" effect created by its diamond-cut indexes, complemented by a subtle, reeded dial and a striking green seconds hand. The 39mm case is noted for its comfortable, tapered bracelet, and the 9R65 Spring Drive movement is visible through the caseback. Some owners report the highly polished Zaratsu finish is prone to scuffs and scratches, with one mentioning a scratch near 1 o'clock. The Grand Seiko SBGA427 sold for $3750. Overall, owners rate the Grand Seiko SBGA427 highly for its exceptional finishing and the unique visual appeal of its dial and indexes.

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