Side by side

Borealis Watch Co. Estoril 300 GMTvsOrient RA-AC0K Diver Watch

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
RA-AC0K Diver Watch
OrientRA-AC0K Diver Watch
MSRP $455

At a glance

14 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
RA-AC0K Diver Watch43.4mm
Power Reserve
Estoril 300 GMT40h
RA-AC0K Diver Watch40h
Water Resistance
Estoril 300 GMT300m
RA-AC0K Diver Watch200m
MSRP
Estoril 300 GMT$600
RA-AC0K Diver Watch$455

Full specifications

Case

5 specs
Diameter
41.50mm
43.4mm
Thickness
13.5mm
12.8mm
Lug-to-Lug
47mm
51mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Indices
Applied
Lume
BGW9
None

Movement

4 specs
Caliber
Miyota 9075
F6722
Beat Rate
28,800 vph
21,600 vph
Jewels
25
22
Complications
None
Date

Pricing

1 specs
MSRP
$600
$455

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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.

Orient RA-AC0K Diver Watch

Owners widely praise the Orient RA-AC0K Diver Watch for exceeding expectations and being a "real" watch. The mechanical movement is noted for keeping great time, running within a handful of seconds fast per day, with some owners considering Orient's budget movements among the best for accuracy. Overall, owners rate the Orient RA-AC0K Diver Watch highly for its surprising quality and reliable timekeeping at its price point.

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