Side by side

Borealis Watch Co. Estoril 300 GMTvsBremont Altitude 39 Date

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
Altitude 39 Date
BremontAltitude 39 Date
MSRP $4,250

At a glance

11 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Altitude 39 Date39mm
Power Reserve
Estoril 300 GMT40h
Altitude 39 Date40h
Water Resistance
Estoril 300 GMT300m
Altitude 39 Date100m
MSRP
Estoril 300 GMT$600
Altitude 39 Date$4,250

Full specifications

Case

7 specs
Category
Diver
Pilot
Diameter
41.50mm
39mm
Thickness
13.5mm
11.19mm
Lug-to-Lug
47mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Black
Silver
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9075
BE-92AE

Pricing

1 specs
MSRP
$600
$4,250

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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.

Bremont Altitude 39 Date

Owners and reviewers widely praise the Bremont Altitude 39 Date as a sleek, legible, and everyday-suited pilot's watch, noting its comfortable 39mm 904L steel case and clean dial design. The La Joux-Perret G100 movement is recognized for its 68-hour power reserve and smooth winding feel. Some owners note the bracelet lacks micro-adjustments. On balance, the consensus is that the Bremont Altitude 39 Date is highly regarded for its refined finishing and wearability at 39mm.

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