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

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $275 for the Borealis Watch Co. Caloura 300m — a $26 gap before any retailer discounting.

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

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 40mm for the Helgray Poseidon Diver (Automatic) — a 2mm difference across the dial.

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

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty.

Side by side

Borealis Watch Co. Caloura 300mvsHelgray Poseidon Diver (Automatic)

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

Borealis Watch Co.Caloura 300m

borealis-caloura-diver-watch

MSRP $275

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

7 of 29 specs differ

Diameter

Caloura 300m42mm

Poseidon Diver (Automatic)40mm

Power Reserve

Caloura 300m40h

Poseidon Diver (Automatic)40h

Water Resistance

Caloura 300m300m

Poseidon Diver (Automatic)300m

MSRP

Caloura 300m$275

Poseidon Diver (Automatic)$249

Full specifications

Case

4 specs

Diameter

42mm

40mm

Thickness

13.9mm

12mm

Lug-to-Lug

44.20mm

46mm

Lug Width

22mm

20mm

Crystal & Dial

1 specs

Lume

BGW9

None

Movement

1 specs

Caliber

NH35

NH35 Warranty

Pricing

1 specs

MSRP

$275

$249

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