Side by side

Borealis Watch Co. Estoril 300 GMTvsSpinnaker Popeye

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
Popeye
SpinnakerPopeye
MSRP $395

At a glance

10 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Popeye43mm
Power Reserve
Estoril 300 GMT40h
Popeye40h
Water Resistance
Estoril 300 GMT300m
Popeye150m
MSRP
Estoril 300 GMT$600
Popeye$395

Full specifications

Case

6 specs
Diameter
41.50mm
43mm
Thickness
13.5mm
13mm
Lug-to-Lug
47mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
150m

Crystal & Dial

2 specs
Dial Color
Black
Popeye Blue
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9075
SII NH35A

Pricing

1 specs
MSRP
$600
$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.

Spinnaker Popeye

The Spinnaker Popeye is a fun, playful dive watch with extensive lume and a dramatic, ultra-domed sapphire crystal. Owners are drawn to the nostalgia and playful styling, though some find the cartoon theme cheapens the look and the 42mm case too thick. The rubber strap can be stiff, and some owners report poor customer service. Overall, owners and reviewers appreciate the Spinnaker Popeye for its unique, nostalgic design and extensive lume.

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