Side by side

Serica Ref. 5303 Diving ChronometervsBaltic Aquascaphe Dual-Crown

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

Ref. 5303 Diving Chronometer
SericaRef. 5303 Diving Chronometer
MSRP $1,768
Aquascaphe Dual-Crown
BalticAquascaphe Dual-Crown
MSRP $724

At a glance

8 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Aquascaphe Dual-Crown39mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Aquascaphe Dual-Crown42h
Water Resistance
Ref. 5303 Diving Chronometer300m
Aquascaphe Dual-Crown200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Aquascaphe Dual-Crown$724

Full specifications

Case

3 specs
Thickness
12.2mm
11mm
Lug-to-Lug
46.5mm
47mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Enamel Black
Crown - Black
Lume
Super-LumiNova
BGW9

Movement

2 specs
Caliber
M100 COSC
Miyota 9039
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$724

Follow this matchup

Get a note when Serica Ref. 5303 Diving Chronometer vs Baltic Aquascaphe Dual-Crown gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Serica Ref. 5303 Diving Chronometer

Owners widely praise the Serica Ref. 5303 Diving Chronometer for its excellent wearability, definitive style, and smooth, confident bezel action. The dual scale on the bezel is noted as surprisingly useful, and the crown action, winding, and hacking are reported to work perfectly. One owner describes the Serica 5303-3 as gorgeous and unique, though another notes the crown can appear comically large. On balance, owners rate the Serica Ref. 5303 Diving Chronometer highly for its blend of unique design and robust functionality.

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.

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.

Adjacent matchups

People also compared

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