Side by side

Baltic Aquascaphe Dual-Crown - Black PVDvsTudor Black Bay One 31 S&G

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

Aquascaphe Dual-Crown - Black PVD
BalticAquascaphe Dual-Crown - Black PVD
MSRP $724
Black Bay One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850

At a glance

14 of 29 specs differ
Diameter
Aquascaphe Dual-Crown - Black PVD39mm
Black Bay One 31 S&G31mm
Power Reserve
Aquascaphe Dual-Crown - Black PVD42h
Black Bay One 31 S&G50h
Water Resistance
Aquascaphe Dual-Crown - Black PVD200m
Black Bay One 31 S&G100m
MSRP
Aquascaphe Dual-Crown - Black PVD$724
Black Bay One 31 S&G$6,850

Full specifications

Case

8 specs
Category
Diver
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 PVD - Black
Black
Lume
BGW9
None

Movement

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

Pricing

1 specs
MSRP
$724
$6,850

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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 - Black PVD

The Baltic Aquascaphe Dual-Crown - Black PVD is widely praised for its refined case finishing, including polished chamfers and brushed lugs, and its comfortable, wearable 39mm size. Reviewers highlight its clean dial design and excellent legibility, with some noting improved legibility from larger lume-filled markers. The functional internal bezel, operated by a non-screw-down crown, is a key feature for dive timing. The watch utilizes a Miyota 9039 automatic movement with a 42-hour power reserve and hacking seconds. One reviewer found the 4 o'clock crown for time setting to be fiddly, and another noted the sapphire crystal can be somewhat reflective. The price is cited as €550 or €650 (ex VAT). On balance, reviewers commend the Baltic Aquascaphe Dual-Crown - Black PVD for its vintage-inspired aesthetic combined with modern build quality and wearability at its price point.

Tudor Black Bay One 31 S&G

The Tudor Black Bay One 31 S&G is praised for its quiet luxury, combining brushed steel and warm gold accents for understated charm. Owners appreciate the brushed gold for a casual two-tone look and the champagne dial's surprising legibility. Some find the case sides too thick, and one user expressed a desire for a smaller S&G variant. The watch features the MT5612 movement with a 70-hour power reserve and a date function, within a 200-meter water-resistant case. Overall, owners and reviewers highlight the Tudor Black Bay One 31 S&G's balanced two-tone aesthetic as its primary appeal.

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