Side by side

Borealis Watch Co. Estoril 300 GMTvsHalios Universa II

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
Universa II
HaliosUniversa II
MSRP $995

At a glance

12 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Universa II38mm
Power Reserve
Estoril 300 GMT40h
Universa II40h
Water Resistance
Estoril 300 GMT300m
Universa II100m
MSRP
Estoril 300 GMT$600
Universa II$995

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
41.50mm
38mm
Thickness
13.5mm
11.8mm
Lug-to-Lug
47mm
48mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Sapphire (double-domed)
Dial Color
Black
Gold
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9075
Sellita SW300-1

Pricing

1 specs
MSRP
$600
$995

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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.

Halios Universa II

Owners widely praise the Halios Universa II for its applied indices, excellent finishing for the price, and comfortable 38mm dimensions. The integrated bracelet design with a satisfying micro-adjust clasp and case architecture are described as masterclasses. However, some find the bracelet clasp chunkier than the overall design, and the angular lug design is noted as not being for everyone. One owner reported unexpected pastel dial colors and a poor winding action. On balance, owners rate the Halios Universa II highly for its applied indices and excellent finishing at the price point.

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