Side by side

Serica Ref. 5303 Diving ChronometervsBaltic Aquascaphe Classic

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 Classic
BalticAquascaphe Classic
MSRP $648

At a glance

8 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Aquascaphe Classic39mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Aquascaphe Classic42h
Water Resistance
Ref. 5303 Diving Chronometer300m
Aquascaphe Classic200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Aquascaphe Classic$648

Full specifications

Case

3 specs
Thickness
12.2mm
13mm
Lug-to-Lug
46.5mm
47mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Enamel Black
Black Gilt
Lume
Super-LumiNova
SuperLuminova

Movement

2 specs
Caliber
M100 COSC
Miyota 9039
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$648

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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.

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 Classic

Owners widely praise the Baltic Aquascaphe Classic for its vintage-inspired design, comfortable 39mm wearability, and attractive blue sunburst dial with gold indices. Some owners note a hollow feeling and slight bezel play, while others point to rough case edges and sharp lugs. The faux vintage lume is considered weak by some, and the dial can appear dark without direct light due to limited anti-reflective coating. Accuracy is generally found to be good. On balance, owners rate the Baltic Aquascaphe Classic highly for its aesthetic appeal and comfortable wear at its price point.

From video reviewers

The Baltic Aquascaphe Classic is praised for its exceptional value and unique aesthetic. The watch's bezel action is somewhat stiff and could be improved. Reviewers disagree on the watch's water resistance, with one reviewer finding it unimpressive compared to other dive watches in its price range, while others do not mention any specific issues.

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