Side by side

Borealis Watch Co. Estoril 300 GMTvsCitizen Series 8 890

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
Series 8 890
CitizenSeries 8 890
MSRP $1,395

At a glance

11 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Series 8 89042.6mm
Power Reserve
Estoril 300 GMT40h
Series 8 89042h
Water Resistance
Estoril 300 GMT300m
Series 8 890200m
MSRP
Estoril 300 GMT$600
Series 8 890$1,395

Full specifications

Case

5 specs
Diameter
41.50mm
42.6mm
Thickness
13.5mm
12mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
20mm
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Underside
Dial Color
Black
Grey
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9075
9051
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$600
$1,395

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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 Series 8 890

The Citizen Series 8 890 is praised for its robust build, 200 meters of water resistance without a screw-down crown, and excellent case finishing for its price. Reviewers note the smooth action of its internal bezel, though one suggests the knurling could be more pronounced for better grip. It utilizes the caliber 9051 automatic movement with a 42-hour power reserve, which often performs better than Citizen's stated -10/+20 seconds per day. The watch's design is noted as borrowing from popular luxury sports watches, and its lug-to-lug measurement can make it wear large. Overall, reviewers find the Citizen Series 8 890 a compelling and robust sports watch, particularly for its finishing and water resistance capabilities.

From video reviewers

Advanced finishing techniques on the 42.6mm octagonal silver-tone stainless steel case showcase durability and elegance. The watch's textured blue dial may not appeal to everyone's taste. Reviewers disagree on whether the Citizen Series 8 890's movement (Caliber 9051) is a strong point due to differing comparisons (Grand Seiko vs. AP Royal Oak).

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