Side by side

Borealis Watch Co. Estoril 300 GMTvsBoldr Expedition 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
Expedition II
BoldrExpedition II
MSRP $699

At a glance

12 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Expedition II41mm
Power Reserve
Estoril 300 GMT40h
Expedition II38h
Water Resistance
Estoril 300 GMT300m
Expedition II200m
MSRP
Estoril 300 GMT$600
Expedition II$699

Full specifications

Case

6 specs
Category
Diver
Tool
Diameter
41.50mm
41mm
Thickness
13.5mm
14mm
Lug-to-Lug
47mm
48mm
Lug Width
20mm
20mm
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
I Eiger
Lume
BGW9
Super-LumiNova

Movement

2 specs
Caliber
Miyota 9075
Sellita SW200-1
Power Reserve
40h
38h

Pricing

1 specs
MSRP
$600
$699

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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.

Boldr Expedition II

Owners widely praise the Boldr Expedition II for its tool watch utility, legible dials, and bead-blasted finish, with many finding its 41mm size ideal for daily wear and comfortable on various wrists. Reviewers and owners alike highlight its excellent value, well-executed details, and the functional design of its knurled crown. Some owners note the dial color can appear creamier than expected online, and one reviewer found the stock rubber strap to be a minor criticism. The Sellita SW200 movement and domed sapphire crystal are also noted as positive features. On balance, owners and reviewers rate the Boldr Expedition II highly for its functional field watch design and excellent value.

From video reviewers

The Boldr Expedition II's solid construction and reliability are notable strengths. A weakness is the potential for dim lume brightness, as the entire dial is fully covered in lume but the reviewer's assessment implies it might be inadequate.

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