Borealis Watch Co. Estoril 300 GMTvsErebus Watches Ascent 40 GMT

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Borealis Watch Co. Estoril 300 GMT at true scale

Estoril 300 GMT

Erebus Watches Ascent 40 GMT at true scale

Ascent 40 GMT

Diameter

41.5mm

40mm

Lug-to-Lug

47mm

46mm

lowest

Thickness

13.5mm

12.4mm

lowest

Water Resistance

300m

highest

100m

MSRP

$600

$599

lowest

Movement

Miyota 9075

Miyota 9075

Case

5 specs
Category
Diver
GMT
Diameter
41.5mm
40mm
Thickness
13.5mm
12.4mm
Lug-to-Lug
47mm
46mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
n/a
Malachite
Lume
BGW9
BGW9 Super-LumiNova®

Movement

1 specs
Power Reserve
0h
n/a

Pricing

1 specs
MSRP
$600
$599
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Reviews

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 and robust build quality, featuring crisp dial details and exceptionally bright BGW9 lume. Some owners note the bezel insert's sapphire construction as an aesthetic departure from its inspiration, and one owner wishes for a white-painted second hand. The Borealis Watch Co. Estoril 300 GMT is described as dive-ready with a ceramic bezel and homage design. Overall, owners rate the Borealis Watch Co. Estoril 300 GMT highly for its impressive build quality and value at the price point.

Erebus Watches Ascent 40 GMT

Owners widely praise the Erebus Watches Ascent 40 GMT (4th central GMT hand, 24-hour rotating GMT bezel, "Ascent GMT" dial text, date at 6) for its appealing price point, stunning textured dial, and excellent case and bracelet finishing, with many finding it a comfortable and robust GADA watch. The 40mm case, slim profile, and bracelet's screw links for easy sizing are frequently highlighted as strong points. Some owners note concerns about reliability due to its manufacturing origin, and one reviewer prefers the aesthetics of a competing model. A reviewer points out a lack of scratch resistance on the polished case sides and a winding action that is not as smooth as some competitors. Overall, owners and reviewers rate the Erebus Watches Ascent 40 GMT (4th central GMT hand, 24-hour rotating GMT bezel, "Ascent GMT" dial text, date at 6) highly for its attractive aesthetics and comfortable wearability at its price point.

From video reviewers

The Erebus Ascent 40 GMT offers excellent proportions and a comfortable wear. The watch is competitively priced, significantly undercutting competitors. Reviewers noted the lack of a hard coating as a potential drawback.