Side by side

Borealis Watch Co. Estoril 300 GMTvsDryden Heartlander Automatic

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
Heartlander Automatic
DrydenHeartlander Automatic
MSRP $600

At a glance

10 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Heartlander Automatic38mm
Power Reserve
Estoril 300 GMT40h
Heartlander Automatic40h
Water Resistance
Estoril 300 GMT300m
Heartlander Automatic101m
MSRP
Estoril 300 GMT$600
Heartlander Automatic$600

Full specifications

Case

6 specs
Category
Diver
Field
Diameter
41.50mm
38mm
Thickness
13.5mm
11.2mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
20mm
Water Resistance
300m
101m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Goldfinch
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9075
Miyota 9039

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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.

Dryden Heartlander Automatic

The Dryden Heartlander Automatic is widely praised for its versatility, comfortable 38mm case that wears smaller than its dimensions suggest, and excellent dial variety. Reviewers highlight its value at $500, noting good finishing, a domed sapphire crystal, and 100m water resistance. The tapering bracelet with solid links is also considered comfortable. One owner notes the crown may protrude slightly and irritate some wearers. On balance, owners and reviewers rate the Dryden Heartlander Automatic highly for its combination of wearability, features, and value.

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