Side by side

Marloe Watch Company AerodynevsBorealis Watch Co. Estoril 300 GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Aerodyne
Marloe Watch CompanyAerodyne
MSRP $443
Estoril 300 GMT
Borealis Watch Co.Estoril 300 GMT
MSRP $600

At a glance

13 of 29 specs differ
Diameter
Aerodyne38mm
Estoril 300 GMT41.50mm
Power Reserve
Aerodyne40h
Estoril 300 GMT40h
Water Resistance
Aerodyne100m
Estoril 300 GMT300m
MSRP
Aerodyne$443
Estoril 300 GMT$600

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
38mm
41.50mm
Thickness
9.8mm
13.5mm
Lug-to-Lug
47mm
Lug Width
18mm
20mm
Water Resistance
100m
300m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Black
Lume
Luminous
BGW9

Movement

3 specs
Caliber
Miyota 9015
Miyota 9075
Power Reserve
40h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$443
$600

Follow this matchup

Get a note when Marloe Watch Company Aerodyne vs Borealis Watch Co. Estoril 300 GMT gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Marloe Watch Company Aerodyne

Owners widely praise the Marloe Watch Company Aerodyne for its desirability and comfort, with one user noting the dial's appealing appearance. The Aerodyne line is considered fantastic and underrated, with small details making it suitable as a daily watch. Overall, owners rate the Marloe Watch Company Aerodyne highly for its comfort and desirability as a daily wearer.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.