Side by side

Borealis Watch Co. Estoril 300 GMTvsHamilton Khaki Navy BeLOWZERO Auto Titanium

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
Khaki Navy BeLOWZERO Auto Titanium
HamiltonKhaki Navy BeLOWZERO Auto Titanium
MSRP $2,175
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.

Hamilton Khaki Navy BeLOWZERO Auto Titanium

The Hamilton Khaki Navy BeLOWZERO Auto Titanium is widely noted for its substantial 46mm titanium case, with some owners finding it large and heavy, particularly on the bracelet, though others find the titanium version manageable and appreciate its sporty casual wearability. Readability in low light is a concern, with the lume described as not good. The watch features 1000m water resistance and an 80-hour power reserve, with a stealthy black dial and a distinctive arrow-tipped seconds hand. On balance, owners and reviewers highlight its robust build and impressive water resistance as key strengths for a sporty casual watch.

At a glance

10 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Khaki Navy BeLOWZERO Auto Titanium46mm
Power Reserve
Estoril 300 GMT40h
Khaki Navy BeLOWZERO Auto Titanium80h
Water Resistance
Estoril 300 GMT300m
Khaki Navy BeLOWZERO Auto Titanium1,000m
MSRP
Estoril 300 GMT$600
Khaki Navy BeLOWZERO Auto Titanium$2,175

Full specifications

Case

6 specs
Diameter
41.50mm
46mm
Thickness
13.5mm
15.7mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
24mm
Material
Stainless Steel
Titanium
Water Resistance
300m
1000m

Crystal & Dial

1 specs
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9075
H-10
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$600
$2,175
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