Side by side

Baltic Aquascaphe Dual-Crown - Black PVDvsGrand Seiko SLGA001

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
SLGA001
Grand SeikoSLGA001
MSRP $11,100

At a glance

13 of 29 specs differ
Diameter
Aquascaphe Dual-Crown - Black PVD39mm
SLGA00146.9mm
Power Reserve
Aquascaphe Dual-Crown - Black PVD42h
SLGA001120h
Water Resistance
Aquascaphe Dual-Crown - Black PVD200m
SLGA001100m
MSRP
Aquascaphe Dual-Crown - Black PVD$724
SLGA001$11,100

Full specifications

Case

6 specs
Diameter
39mm
46.9mm
Thickness
11mm
16mm
Lug-to-Lug
47mm
50.8mm
Lug Width
20mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Crown - Black PVD - Black
Black
Lume
BGW9
None

Movement

3 specs
Caliber
Miyota 9039
9RA5
Type
Automatic
Spring Drive
Power Reserve
42h
120h

Pricing

1 specs
MSRP
$724
$11,100

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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 SLGA001

The Grand Seiko SLGA001 is praised for its impressive technical achievements, including a new, slimmer Spring Drive movement with a five-day power reserve and exceptional accuracy of ±0.5 seconds per day. Reviewers note the 47mm titanium case, despite its substantial dimensions, wears more comfortably due to its titanium construction, short lugs, and virtually scratch-proof finish. The watch features a 600-meter water resistance and is limited to 700 pieces, priced at $11,100. On balance, reviewers consider the Grand Seiko SLGA001 a highly capable dive watch, with its technological advancements in the Spring Drive movement being a key highlight.

From video reviewers

The watch's Spring Drive movement, specifically the Cal.9RA5, offers a 120-hour power reserve. A notable trade-off is the watch's relatively large size, with a case diameter of 46.9mm and thickness of 16.0mm, which may not suit those with smaller wrists. The high price point may be a trade-off for some buyers.

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