Side by side

Baltic Aquascaphe MK2vsUnimatic Modello Quattro UC4 Classic Time Only

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.

Unimatic Modello Quattro UC4 Classic Time Only

The Unimatic Modello Quattro UC4 Classic Time Only features a robust 40mm black DLC case, 13.7mm to 13.9mm thick, with drilled lugs and a fixed steel bezel that balances beefiness with wearability. Reviewers note improved crown action and refinement over earlier models, with a flat sapphire crystal. Its sandwich dial reveals Super-LumiNova BG W9 beneath cut-out indexes, paired with a Seiko NH35A automatic movement. While the movement is considered robust and reliable, one reviewer expressed a preference for a Sellita caliber given the watch's heft. On balance, reviewers find the Unimatic Modello Quattro UC4 Classic Time Only to be a well-refined and wearable tool watch with a distinct military character.

At a glance

14 of 29 specs differ
Diameter
Aquascaphe MK237mm
Modello Quattro UC4 Classic Time Only40mm
Power Reserve
Aquascaphe MK242h
Modello Quattro UC4 Classic Time Only
Water Resistance
Aquascaphe MK2200m
Modello Quattro UC4 Classic Time Only300m
MSRP
Aquascaphe MK2$680
Modello Quattro UC4 Classic Time Only$655

Full specifications

Case

7 specs
Category
Diver
Diameter
37mm
40mm
Thickness
12.9mm
0mm
Lug-to-Lug
45mm
0mm
Lug Width
20mm
0mm
Material
Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

4 specs
Crystal
Sapphire
AR Coating
Yes
Dial Color
Blue
Matte black
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9039
Seiko NH35
Power Reserve
42h
0h

Pricing

1 specs
MSRP
$680
$655
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