Which is cheaper, the Borealis Watch Co. Estoril 300 GMT or the Helgray Poseidon Diver (Automatic)?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $600 for the Borealis Watch Co. Estoril 300 GMT — a $351 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Estoril 300 GMT or the Helgray Poseidon Diver (Automatic)?

The Borealis Watch Co. Estoril 300 GMT wears larger at 41.50mm versus 40mm for the Helgray Poseidon Diver (Automatic) — a 1.5mm difference across the dial.

What movement does the Borealis Watch Co. Estoril 300 GMT run compared to the Helgray Poseidon Diver (Automatic)?

Both watches run automatic movements — the Borealis Watch Co. Estoril 300 GMT uses the Miyota 9075 and the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty.

Side by side

Borealis Watch Co. Estoril 300 GMTvsHelgray Poseidon Diver (Automatic)

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

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

7 of 29 specs differ

Diameter

Estoril 300 GMT41.50mm

Poseidon Diver (Automatic)40mm

Power Reserve

Estoril 300 GMT40h

Poseidon Diver (Automatic)40h

Water Resistance

Estoril 300 GMT300m

Poseidon Diver (Automatic)300m

MSRP

Estoril 300 GMT$600

Poseidon Diver (Automatic)$249

Full specifications

Case

4 specs

Diameter

41.50mm

40mm

Thickness

13.5mm

12mm

Lug-to-Lug

47mm

46mm

Lug Width

20mm

Crystal & Dial

1 specs

Lume

BGW9

None

Movement

1 specs

Caliber

Miyota 9075

NH35 Warranty

Pricing

1 specs

MSRP

$600

$249

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