Side by side

Borealis Watch Co. Estoril 300 GMTvsCitizen Promaster Navihawk A-T

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
Promaster Navihawk A-T
CitizenPromaster Navihawk A-T
MSRP $850

At a glance

11 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Promaster Navihawk A-T48mm
Power Reserve
Estoril 300 GMT40h
Promaster Navihawk A-T40h
Water Resistance
Estoril 300 GMT300m
Promaster Navihawk A-T200m
MSRP
Estoril 300 GMT$600
Promaster Navihawk A-T$850

Full specifications

Case

6 specs
Category
Diver
Pilot
Diameter
41.50mm
48mm
Thickness
13.5mm
12mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9075
H804
Type
Automatic
Solar

Pricing

1 specs
MSRP
$600
$850

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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.

Citizen Promaster Navihawk A-T

The Citizen Promaster Navihawk A-T is praised for its attractive "sunburst silver" dial and excellent build quality, with one owner calling its bracelet the best in the sub-$1000 range. It features atomic timekeeping across 26 time zones, a compass bezel, a slide rule, and chronograph functions, powered by the H804 Eco-Drive movement. One owner returned it due to finding the silver variant too "blingy" for their taste, while a reviewer noted the 48mm stainless steel case remains wearable due to short, curved lugs. On balance, owners and reviewers rate the Citizen Promaster Navihawk A-T highly for its functional analog tool watch design and impressive feature set at its price point.

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