Side by side

Borealis Watch Co. Estoril 300 GMTvsBremont S502

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
S502
BremontS502
MSRP $5,100

At a glance

9 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
S50243mm
Power Reserve
Estoril 300 GMT40h
S50240h
Water Resistance
Estoril 300 GMT300m
S502500m
MSRP
Estoril 300 GMT$600
S502$5,100

Full specifications

Case

6 specs
Diameter
41.50mm
43mm
Thickness
13.5mm
16.5mm
Lug-to-Lug
47mm
Lug Width
20mm
16.5mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
500m

Crystal & Dial

1 specs
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9075
BE-93-2AE

Pricing

1 specs
MSRP
$600
$5,100

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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.

Bremont S502

The Bremont S502 is widely praised for its attractive full-stealth, black DLC treatment, and the beige lume that complements its Spec Ops design, with a burnt-orange GMT hand enhancing legibility. Owners find the watch handsome and cool, appreciating the 'black & tan' aesthetic suitable for hard wear. The Bremont S502 features a 502m water-resistance rating and a 42-hour power reserve, powered by a chronometer-rated Bremont BE-93-2AV automatic movement. While many like the NATO strap for its aesthetic and how it ties in with the PVD metalwork, some prefer the original black rubber strap for its comfort and custom fit. On balance, owners and reviewers rate the Bremont S502 highly for its stealthy aesthetic and robust build.

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