Which is cheaper, the Borealis Watch Co. Estoril 300 GMT or the Sugess Ocean Star S421?

At MSRP the Sugess Ocean Star S421 is the cheaper of the two at $449, against $600 for the Borealis Watch Co. Estoril 300 GMT — a $151 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Estoril 300 GMT or the Sugess Ocean Star S421?

The Borealis Watch Co. Estoril 300 GMT wears larger at 41.50mm versus 40mm for the Sugess Ocean Star S421 — a 1.5mm difference across the dial.

What movement does the Borealis Watch Co. Estoril 300 GMT run compared to the Sugess Ocean Star S421?

Both watches run automatic movements — the Borealis Watch Co. Estoril 300 GMT uses the Miyota 9075 and the Sugess Ocean Star S421 uses the Seagull ST2130/Seiko NH35.

Side by side

Borealis Watch Co. Estoril 300 GMTvsSugess Ocean Star S421

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Borealis Watch Co.Estoril 300 GMT

borealis-estoril-300-gmt-black-dial-arabic-numbers-black-red-bezel-date-version-k

MSRP $600

Sugess Ocean Star S421

S421

MSRP $449

At a glance

10 of 29 specs differ

Diameter

Estoril 300 GMT41.50mm

Ocean Star S42140mm

Power Reserve

Estoril 300 GMT40h

Ocean Star S42140h

Water Resistance

Estoril 300 GMT300m

Ocean Star S421300m

MSRP

Estoril 300 GMT$600

Ocean Star S421$449

Full specifications

Case

4 specs

Diameter

41.50mm

40mm

Thickness

13.5mm

12.7mm

Lug-to-Lug

47mm

46mm

Lug Width

20mm

Crystal & Dial

2 specs

Dial Color

Black

SU116610LB Black

Lume

BGW9

None

Movement

3 specs

Caliber

Miyota 9075

Seagull ST2130/Seiko NH35

Beat Rate

28,800 vph

4 vph

Complications

None

GMT, Chronograph, Moonphase, Date

Pricing

1 specs

MSRP

$600

$449

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