Side by side

Citizen Tsuyosa ShorevsSeiko Prospex Sea

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

Tsuyosa Shore
CitizenTsuyosa Shore
MSRP $495
Prospex Sea
SeikoProspex Sea
MSRP $595

At a glance

12 of 29 specs differ
Diameter
Tsuyosa Shore40mm
Prospex Sea41.7mm
Power Reserve
Tsuyosa Shore42h
Prospex Sea41h
Water Resistance
Tsuyosa Shore100m
Prospex Sea200m
MSRP
Tsuyosa Shore$495
Prospex Sea$595

Full specifications

Case

5 specs
Diameter
40mm
41.7mm
Thickness
12mm
12.3mm
Lug-to-Lug
46mm
49.5mm
Lug Width
9mm
20mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Navy
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
8210
4R35
Power Reserve
42h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$495
$595

Follow this matchup

Get a note when Citizen Tsuyosa Shore vs Seiko Prospex Sea 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.

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.

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

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.