Side by side

Borealis Watch Co. Estoril 300 GMTvsRZE Aspirare

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
Aspirare
RZEAspirare
MSRP $699

At a glance

12 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Aspirare44mm
Power Reserve
Estoril 300 GMT40h
Aspirare40h
Water Resistance
Estoril 300 GMT300m
Aspirare200m
MSRP
Estoril 300 GMT$600
Aspirare$699

Full specifications

Case

7 specs
Diameter
41.50mm
44mm
Thickness
13.5mm
13mm
Lug-to-Lug
47mm
53mm
Lug Width
20mm
22mm
Material
Stainless Steel
Grade 5 Titanium
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

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

Movement

1 specs
Caliber
Miyota 9075
Miyota 9039

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.

RZE Aspirare

The RZE Aspirare is widely praised for its exceptional value and build quality at $599, featuring a 44mm titanium case with UltraHex coating and a Miyota 9015 movement. Owners find the watch surprisingly comfortable, even on smaller wrists, and appreciate its modern, futuristic design and interchangeable bezel system. Some reviewers note the minute hand appears slightly short relative to the chapter ring, and the 53mm lug-to-lug may be challenging for smaller wrists. On balance, owners and reviewers rate the RZE Aspirare highly for its robust titanium construction and strong value proposition.

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