Side by side

Borealis Watch Co. Estoril 300 GMTvsBoldr Venture GMT

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
Venture GMT
BoldrVenture GMT
MSRP $299

At a glance

12 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Venture GMT38mm
Power Reserve
Estoril 300 GMT40h
Venture GMT40h
Water Resistance
Estoril 300 GMT300m
Venture GMT200m
MSRP
Estoril 300 GMT$600
Venture GMT$299

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
41.50mm
38mm
Thickness
13.5mm
14mm
Lug-to-Lug
47mm
44mm
Lug Width
20mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9
Super-LumiNova

Movement

2 specs
Caliber
Miyota 9075
Ronda 515
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$600
$299

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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 Venture GMT

Owners widely praise the Boldr Venture GMT for its lightweight titanium case and bracelet, utilitarian GMT function, and 200m water resistance, with many finding it a comfortable daily driver. The watch's faceted bracelet attachment, sapphire crystal, and attractive dials are also frequently highlighted, though some owners note the lume's visibility is hampered by blending numbers. Accuracy varies, with one owner reporting it runs 6 seconds fast over 25 days, while another finds the Miyota movement basic. Some users would prefer a 4 o'clock crown and a date window, and the clasp safety can be loose. Overall, owners rate the Boldr Venture GMT highly for its robust titanium build and practical GMT functionality at its price point.

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