Side by side

Baltic Aquascaphe MK2vsHalios Seaforth IV

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

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 MK2

The Baltic Aquascaphe MK2 is widely praised for its refined case design, improved lume with applied markers, and added crown guards, presenting a sharper and more purposeful neo-retro dive watch. Owners and reviewers highlight its updated technical and design elements, including a fully graduated sapphire bezel and two case size options (37mm and 39.5mm), all while maintaining a reasonable price point. Some find the design derivative or less cohesive than its predecessor, with one owner noting the long, straight lugs as a significant drawback, while others appreciate the dial texture and case profile. The Baltic Aquascaphe MK2 is powered by the Miyota 9039 movement with a 42-hour power reserve and offers 200m water resistance. Overall, owners and reviewers rate the Baltic Aquascaphe MK2 highly for its value and contemporary updates to a tool-watch heritage.

From video reviewers

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.

Halios Seaforth IV

Owners widely praise the Halios Sunburst Blue for its perfect 40mm size, stunning sunburst dial, and excellent lume, with one owner calling it Halios's best effort and a potential "Omega AT killer." The ETA 2824 movement is noted as running smoothly, and the watch is considered a great value with strong resale. Some owners desire larger sizes or different dial colors, and one reviewer found the Sinn 556i more versatile. The sapphire bezel is described as tall and flat, which is a point of contention for some. Overall, owners rate the Halios Sunburst Blue highly for its design, size, and value.

From video reviewers

The sunburst blue dial is a standout feature. Limited water resistance is a shared concern.

At a glance

10 of 29 specs differ
Diameter
Aquascaphe MK237mm
Seaforth IV40mm
Power Reserve
Aquascaphe MK242h
Seaforth IV
Water Resistance
Aquascaphe MK2200m
Seaforth IV200m
MSRP
Aquascaphe MK2$680
Seaforth IV$765

Full specifications

Case

4 specs
Diameter
37mm
40mm
Thickness
12.9mm
12.4mm
Lug-to-Lug
45mm
46.5mm
Material
Stainless Steel
Titanium

Crystal & Dial

3 specs
Crystal
Sapphire
Sapphire (double-domed)
AR Coating
Yes
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9039
Sellita SW200-1
Power Reserve
42h
0h

Pricing

1 specs
MSRP
$680
$765
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Baltic Aquascaphe MK2 vs Halios Seaforth IV gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.