Side by side

Serica Ref. 5303 Diving ChronometervsBaltic Hermétique Tourer Bronze

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
Hermétique Tourer Bronze
BalticHermétique Tourer Bronze
MSRP $648

At a glance

11 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Hermétique Tourer Bronze37mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Hermétique Tourer Bronze42h
Water Resistance
Ref. 5303 Diving Chronometer300m
Hermétique Tourer Bronze150m
MSRP
Ref. 5303 Diving Chronometer$1,768
Hermétique Tourer Bronze$648

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
39mm
37mm
Thickness
12.2mm
10mm
Lug-to-Lug
46.5mm
46mm
Material
Stainless Steel
Bronze
Water Resistance
300m
150m

Crystal & Dial

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

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 Hermétique Tourer Bronze

The Baltic Hermétique Tourer Bronze is widely praised for its vintage-inspired aesthetic, featuring a bronze case and a smoked dial that develops a unique patina. Owners and reviewers highlight its comfortable wearability, noting the slim case profile and manageable lug-to-lug distance. The watch offers 150 meters of water resistance, supported by a recessed crown that contributes to its silhouette, though some find it tricky to grip. It is powered by the Miyota 9039 movement, which provides a 42-hour power reserve and a smooth seconds hand sweep, with accuracy reported between -10/+30 seconds per day. Overall, the Baltic Hermétique Tourer Bronze is highly regarded for its attractive design and comfortable wearability at its price point.

From video reviewers

The watch's slim profile and comfortable fit are consistently praised. Reviewers note the bronze case develops a unique patina. No shared weaknesses were identified.

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