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

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $415 for the Borealis Watch Co. Jamanta — a $166 gap before any retailer discounting.

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

The Borealis Watch Co. Jamanta wears larger at 42.50mm versus 40mm for the Helgray Poseidon Diver (Automatic) — a 2.5mm difference across the dial.

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

Both watches run automatic movements — the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty and the Borealis Watch Co. Jamanta uses the Miyota 9015.

Side by side

Helgray Poseidon Diver (Automatic)vsBorealis Watch Co. Jamanta

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

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

Borealis Watch Co.Jamanta

prometheus-jamanta-black-dial-date-miyota-9015

MSRP $415

At a glance

7 of 29 specs differ

Diameter

Poseidon Diver (Automatic)40mm

Jamanta42.50mm

Power Reserve

Poseidon Diver (Automatic)40h

Jamanta40h

Water Resistance

Poseidon Diver (Automatic)300m

Jamanta300m

MSRP

Poseidon Diver (Automatic)$249

Jamanta$415

Full specifications

Case

4 specs

Diameter

40mm

42.50mm

Thickness

12mm

13.30mm

Lug-to-Lug

46mm

50.40mm

Lug Width

20mm

22mm

Crystal & Dial

1 specs

Lume

None

BGW9

Movement

1 specs

Caliber

NH35 Warranty

Miyota 9015

Pricing

1 specs

MSRP

$249

$415

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