Baltic Aquascaphe Dual-CrownvsSinn U50 SDR with TEGIMENT option

The measurements

Sized up.

Catalogue photos are all shot at the same flattering size. These aren't: every case below shares one millimetre scale.

Baltic Aquascaphe Dual-Crown at true scale

Aquascaphe Dual-Crown

Sinn U50 SDR with TEGIMENT option at true scale

U50 SDR with TEGIMENT option

Diameter

39mm

41mm

Lug-to-Lug

47mm

n/a

Thickness

11mm

lowest

11.2mm

Water Resistance

200m

500m

highest

Power Reserve

42h

highest

38h

MSRP

$724

lowest

$3,326

Movement

Miyota 9039

Sellita SW300-1

Case

6 specs
Diameter
39mm
41mm
Thickness
11mm
11.2mm
Lug-to-Lug
47mm
n/a
Finish
n/a
bead-blasted
Water Resistance
200m
500m
Caseback
n/a
n/a

Crystal & Dial

5 specs
Crystal Shape
n/a
n/a
AR Coating
Yes
Underside
Dial Color
Crown - Black
Black
Indices
n/a
n/a
Lume
BGW9
Luminescent

Movement

5 specs
Caliber
Miyota 9039
Sellita SW300-1
Beat Rate
0 vph
28,800 vph
Power Reserve
42h
38h
Jewels
0
25
Complications
None
Date

Pricing

1 specs
MSRP
$724
$3,326

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 modernized Super Compressor concept and excellent wearability, with reviewers and owners highlighting its balanced dial, elegant handset, and perfectly proportioned 39mm case. The watch features a clean, legible dial, a sunray blue finish, and a unique "brushed tourbillon" bezel decoration. It is powered by the Miyota 9039 automatic movement and offers 200m water resistance. Some owners find the 4 o'clock crown for the internal bezel to be a fiddly and slower setting experience compared to standard dive bezels, and one owner expressed concern that the 47mm lug-to-lug might appear too large on a 5.9-inch wrist, though the domed sapphire crystal is noted as being somewhat reflective. On balance, owners and reviewers rate the Baltic Aquascaphe Dual-Crown highly for its charming vintage-inspired design and honest value at its price point.

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.

Sinn U50 SDR with TEGIMENT option

The Sinn U50 SDR with TEGIMENT option is widely praised for its robust submarine steel construction, impressive 50bar water resistance, and excellent anti-reflective coating. Owners and reviewers highlight its toolish, legible dial, satisfyingly tactile bezel, and the outstanding scratch resistance provided by the TEGIMENT hardening. Some owners note the lume is underwhelming, and a few find the clasp aesthetically large and chunky despite its functional diver's extension. Overall, owners and reviewers rate the Sinn U50 SDR with TEGIMENT option highly for its exceptional build quality and scratch resistance at its price point.

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