Side by side

Borealis Watch Co. Estoril 300 GMTvsSternglas Naos Edition Sport

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
Naos Edition Sport
SternglasNaos Edition Sport
MSRP $269

At a glance

13 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Naos Edition Sport38mm
Power Reserve
Estoril 300 GMT40h
Naos Edition Sport
Water Resistance
Estoril 300 GMT300m
Naos Edition Sport50m
MSRP
Estoril 300 GMT$600
Naos Edition Sport$269

Full specifications

Case

6 specs
Category
Diver
Sport
Diameter
41.50mm
38mm
Thickness
13.5mm
8mm
Lug-to-Lug
47mm
41mm
Lug Width
20mm
20mm
Water Resistance
300m
50m

Crystal & Dial

2 specs
Dial Color
Black
Lume
BGW9
None

Movement

4 specs
Caliber
Miyota 9075
Ronda 715
Type
Automatic
Quartz
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$600
$269

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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.

Sternglas Naos Edition Sport

Owners widely praise the Sternglas Naos Edition Sport for its durability and refined daily wearability, easily transitioning between casual and dressier occasions. The sapphire crystal remains scratchless, and the steel case holds up well, though some users report minor bezel micro-scratching. One owner found the original tan strap showed significant wear and fraying within a year, necessitating a replacement. Opinions are split on the watch's aesthetic; some describe it as underwhelming with a printed-on face, small font, and toy-like hands, feeling cheap and looking worse in person, while others love the watch and find it looks fantastic. Some owners in the line also note that certain variants wear smaller than expected, with a desire for smaller case sizes for slender wrists. On balance, owners rate the Sternglas Naos Edition Sport highly for its durable construction and versatile design, despite some reservations about its dial finishing and strap quality.

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