Side by side

Baltic Aquascaphe Dual-CrownvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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

Aquascaphe Dual-Crown
BalticAquascaphe Dual-Crown
MSRP $724

At a glance

11 of 29 specs differ
Diameter
Aquascaphe Dual-Crown39mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
Aquascaphe Dual-Crown42h
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
Aquascaphe Dual-Crown200m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
Aquascaphe Dual-Crown$724
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

3 specs
Diameter
39mm
44mm
Thickness
11mm
13mm
Lug-to-Lug
47mm
49.3mm

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
Crown - Black
Black
Lume
BGW9
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9039
8L35
Power Reserve
42h
50h
Jewels
25
26

Pricing

1 specs
MSRP
$724
$3,300

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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

The Baltic Aquascaphe Dual-Crown is widely praised for its modern take on a vintage Super Compressor design, featuring a legible internal bezel and a clean, balanced dial. Reviewers consistently highlight its excellent wearability, attributed to its 39mm case size with elegant proportions and slender flanks. The case finishing, including polished chamfers and a unique brushed bezel top, is also a noted strength. It is powered by the Miyota 9039 movement, offering 200m water resistance. One reviewer found operating the internal bezel crown to be a fiddly and slower experience compared to standard dive bezels, and another noted the domed sapphire crystal can be somewhat reflective. Prices ranged from €550 during pre-order to €780 retail. Overall, reviewers rate the Baltic Aquascaphe Dual-Crown highly for its charming vintage-inspired design and excellent value.

From video reviewers

The watch's bezel action is smooth and precise, making it easy to turn. A weakness of the watch is its lume, which is somewhat lacking in low-light conditions. Reviewers disagree on the lug-to-lug fit, with one reviewer calling it comfortable for everyday wear and the other describing it as relatively slim for smaller wrists.

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition for its attractive, well-made design and gorgeous dial, noting its jewel-toned teal color and rippling-water pattern. The bezel action is smooth with a muted sound, and the case and bracelet offer a more comfortable feel than previous iterations. However, multiple owners express disappointment with the accuracy of the 6R movement at its price point, with some noting theirs runs slow, and consider the price too high. The steep rehaut and marker size make the 24-hour numbers difficult to read, and some find the case design makes the watch feel top-heavy despite wearing smaller. Overall, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined case design, despite concerns regarding movement accuracy at its price.

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