Baltic Aquascaphe MK2vsSeiko Prospex Sea
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Aquascaphe MK2

Prospex Sea
Diameter
37mm
41.3mm
Lug-to-Lug
45mm
lowest
48.2mm
Thickness
12.9mm
12.5mm
lowest
Water Resistance
200m
300m
highest
Power Reserve
42h
72h
highest
MSRP
$680
lowest
$1,100
Movement
Miyota 9039
Seiko 6R55
Case
4 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Baltic Aquascaphe MK2 for its refined case design, improved finishing, and value, with many highlighting the added crown guards and Maxi Dial as significant upgrades. Reviewers note the collection's contemporary updates, including a reworked bezel and applied markers, striking a balance between modern practicality and vintage aesthetics. Some owners find the long, straight lugs a drawback, and one owner reported disappointing accuracy averaging +10.5 seconds per day. Overall, owners and reviewers rate the Baltic Aquascaphe MK2 highly for its enhanced design and build quality at its price point.
The Baltic Aquascaphe MK2 features 3D Super-LumiNova indexes for improved legibility. A notable weakness is the lack of lume brightness. Reviewers disagree on the optimal case size, with one reviewer noting a 41mm stainless steel case is comfortable for everyday wear, while the other mentions 37mm and 39.5mm case sizes are available.
Owners and reviewers widely praise the Seiko Prospex Sea for its robust build quality and fair price, with many noting its comfortable silicone strap. Some owners find the watch's size, thickness, and weight to be uncomfortable for smaller wrists, while others consider the size perfect. The consensus is that the Seiko Prospex Sea offers excellent value and build quality for its price.
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