Side by side

Borealis Watch Co. Estoril 300 GMTvsHorage Revolution 3 MicroReg

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
Revolution 3 MicroReg
HorageRevolution 3 MicroReg
MSRP $5,320

At a glance

11 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Revolution 3 MicroReg41mm
Power Reserve
Estoril 300 GMT40h
Revolution 3 MicroReg72h
Water Resistance
Estoril 300 GMT300m
Revolution 3 MicroReg100m
MSRP
Estoril 300 GMT$600
Revolution 3 MicroReg$5,320

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
41.50mm
41mm
Thickness
13.5mm
10.05mm
Lug-to-Lug
47mm
48.22mm
Lug Width
20mm
22mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
No
Lume
BGW9
Super-LumiNova

Movement

2 specs
Caliber
Miyota 9075
Horage K2
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$600
$5,320

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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.

Horage Revolution 3 MicroReg

The Horage Revolution 3 MicroReg showcases an innovative external micro-adjustment system for on-the-fly regulation via electromagnetic pulse, a remarkable feat of micro-engineering. This proof-of-concept prototype is still in early development, with a projected launch in late summer 2026 and a founder's price of CHF 3,900. On balance, reviewers highlight the revolutionary regulation technology as the defining characteristic of the Horage Revolution 3 MicroReg.

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