Side by side

Borealis Watch Co. Estoril 300 GMTvsCitizen Tsuyosa Shore

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

Estoril 300 GMT
Borealis Watch Co.Estoril 300 GMT
MSRP $600
Tsuyosa Shore
CitizenTsuyosa Shore
MSRP $495

At a glance

10 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Tsuyosa Shore40mm
Power Reserve
Estoril 300 GMT40h
Tsuyosa Shore42h
Water Resistance
Estoril 300 GMT300m
Tsuyosa Shore100m
MSRP
Estoril 300 GMT$600
Tsuyosa Shore$495

Full specifications

Case

5 specs
Diameter
41.50mm
40mm
Thickness
13.5mm
12mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
9mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Black
Navy
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9075
8210
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$600
$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.

Borealis Watch Co. Estoril 300 GMT

Owners widely praise the Borealis Watch Co. Estoril 300 GMT for its excellent value, robust build quality, and crisp dial, with reviewers highlighting its exceptionally bright BGW9 lume and dive-ready ceramic bezel. Some owners appreciate the brushed and polished finishes, though one owner noted a desire for a white-painted second hand. The included NATO strap is considered too thick with a loose weave, and the sapphire bezel insert is seen by some as a minor aesthetic departure from its inspirations. Overall, owners rate the Borealis Watch Co. Estoril 300 GMT highly for its impressive build quality and value.

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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