Side by side

Baltic Aquascaphe Dual-CrownvsTudor Black Bay One 31

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

Aquascaphe Dual-Crown
BalticAquascaphe Dual-Crown
MSRP $724
Black Bay One 31
TudorBlack Bay One 31
MSRP $4,600

At a glance

13 of 29 specs differ
Diameter
Aquascaphe Dual-Crown39mm
Black Bay One 3131mm
Power Reserve
Aquascaphe Dual-Crown42h
Black Bay One 3150h
Water Resistance
Aquascaphe Dual-Crown200m
Black Bay One 31100m
MSRP
Aquascaphe Dual-Crown$724
Black Bay One 31$4,600

Full specifications

Case

7 specs
Diameter
39mm
31mm
Thickness
11mm
9.5mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
17mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
200m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Crown - Black
Anthracite
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9039
MT5201
Power Reserve
42h
50h

Pricing

1 specs
MSRP
$724
$4,600

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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.

Tudor Black Bay One 31

Owners widely report the Tudor Black Bay One 31's polished case and bracelet scratch easily, though its wearability under gloves and robust movement are praised. Some desire more micro-adjustment options on the clasp, and a lack of contrast between the silver dial and hands is noted. The 31mm size may be a consideration for daily wear due to its 50-hour power reserve. On balance, owners and reviewers appreciate the Tudor Black Bay One 31 for its comfortable wearability and robust movement, despite concerns about case scratching and clasp adjustability.

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