Side by side

Borealis Watch Co. Estoril 300 GMTvsZelos Blacktip 41

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
Blacktip 41
ZelosBlacktip 41
MSRP $499

At a glance

11 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Blacktip 4141mm
Power Reserve
Estoril 300 GMT40h
Blacktip 4140h
Water Resistance
Estoril 300 GMT300m
Blacktip 41200m
MSRP
Estoril 300 GMT$600
Blacktip 41$499

Full specifications

Case

6 specs
Diameter
41.50mm
41mm
Thickness
13.5mm
12mm
Lug-to-Lug
47mm
41mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Teal
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9075
Miyota 9015

Pricing

1 specs
MSRP
$600
$499

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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.

Zelos Blacktip 41

The Zelos Blacktip 41 is widely praised for its exceptional quality and value, featuring a titanium case, sapphire crystal, and a reliable Miyota 9015 movement. Owners and reviewers highlight its well-proportioned 41mm case with strong ergonomics, a 47.5mm lug-to-lug, and a 11.5mm thickness, making it a comfortable diver for many. The watch boasts eye-catching dials with grained textures and degrade effects, complemented by large applied indices, a lume-filled crown, and strong two-tone lume. The bezel action is described as having firm clicks with a slight return. The Miyota 9015 movement provides near-COSC accuracy and a 200m water resistance. On balance, owners and reviewers rate the Zelos Blacktip 41 highly for its superb value and well-executed dive watch features at its price point.

From video reviewers

The Zelos Blacktip 41 offers excellent value at its price point. Reviewers noted the meteorite dial as a unique feature.

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