Side by side

Borealis Watch Co. Estoril 300 GMTvsBoldr Odyssey Freediver

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
Odyssey Freediver
BoldrOdyssey Freediver
MSRP $649

At a glance

9 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Odyssey Freediver40mm
Power Reserve
Estoril 300 GMT40h
Odyssey Freediver40h
Water Resistance
Estoril 300 GMT300m
Odyssey Freediver300m
MSRP
Estoril 300 GMT$600
Odyssey Freediver$649

Full specifications

Case

4 specs
Diameter
41.50mm
40mm
Thickness
13.5mm
14.2mm
Lug-to-Lug
47mm
48mm
Lug Width
20mm
20mm

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
202
Lume
BGW9
Super-LumiNova

Movement

1 specs
Caliber
Miyota 9075
Cal

Pricing

1 specs
MSRP
$600
$649

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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 Odyssey Freediver

The Boldr Odyssey Freediver is praised for its bead-blasted steel case with polished bevels and a custom steel bracelet designed for wrist curvature. Reviewers note its strong legibility, applied details, and vintage-inspired date window on fresh dial colors. The 44mm case is surgical-grade steel with a brushed finish and angular lugs, water-resistant to 300 meters. It houses a Miyota 9075 movement with a jumping local hour function. On balance, reviewers highlight the Boldr Odyssey Freediver's thoughtful case finishing and functional movement with a local hour complication.

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