Side by side

Baltic Aquascaphe Dual-CrownvsSeiko Prospex Sea Seiko Diver’s Watch 60th Anniversary 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

12 of 29 specs differ
Diameter
Aquascaphe Dual-Crown39mm
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition40mm
Power Reserve
Aquascaphe Dual-Crown42h
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Water Resistance
Aquascaphe Dual-Crown200m
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition300m
MSRP
Aquascaphe Dual-Crown$724
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition$1,400

Full specifications

Case

4 specs
Diameter
39mm
40mm
Thickness
11mm
13mm
Lug-to-Lug
47mm
46.4mm
Water Resistance
200m
300m

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
6R55
Power Reserve
42h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$724
$1,400

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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 Seiko Diver’s Watch 60th Anniversary Limited Edition

The Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition features a 40mm case, 300m water resistance, and a 72-hour power reserve from the Calibre 6R55 movement, distinguished by a grey bezel insert and a wave-patterned silvery-white dial. The clasp includes an improved diving suit extension. Owners note the MarineMaster case is comfortable and wearable. However, some owners criticize the 6R54 movement's accuracy, reporting deviations of +25/-15 seconds per day, and find the production number too large for a "limited" edition, deeming it too expensive. On balance, owners rate the Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition positively for its comfortable case and attractive dial, despite concerns regarding its price and movement accuracy.

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