Side by side

Serica Ref. 5303 Diving ChronometervsCitizen Tsuyosa Shore

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
Tsuyosa Shore
CitizenTsuyosa Shore
MSRP $495

At a glance

11 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Tsuyosa Shore40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Tsuyosa Shore42h
Water Resistance
Ref. 5303 Diving Chronometer300m
Tsuyosa Shore100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Tsuyosa Shore$495

Full specifications

Case

5 specs
Diameter
39mm
40mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
46mm
Lug Width
20mm
9mm
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
Navy
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
M100 COSC
8210
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$495

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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.

Citizen Tsuyosa Shore

The Citizen Tsuyosa Shore is widely regarded as a versatile sports-casual watch with a sunray-brushed dial, luminous hands and markers, and a 100-meter water resistance. It features a unidirectional rotating bezel with a 60-minute aluminum insert and a President-style bracelet noted for its comfort and mix of finishes. The watch is powered by the in-house automatic Calibre 8210 movement. While it offers 100m WR and a rotating bezel, it is not considered a true diver's watch as it does not meet ISO certification or tool-watch standards. On balance, owners and reviewers appreciate the Citizen Tsuyosa Shore for its accessible pricing and everyday wearability as a lifestyle-oriented timepiece.

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