Which is bigger, the Circula Watches AquaSport II or the Borealis Watch Co. Jamanta?

The Borealis Watch Co. Jamanta wears larger at 42.50mm versus 40mm for the Circula Watches AquaSport II — a 2.5mm difference across the dial.

Which has better water resistance, the Circula Watches AquaSport II or the Borealis Watch Co. Jamanta?

The Borealis Watch Co. Jamanta is rated to 300m versus 200m for the Circula Watches AquaSport II.

What movement does the Circula Watches AquaSport II run compared to the Borealis Watch Co. Jamanta?

Both watches run automatic movements — the Circula Watches AquaSport II uses the Sellita SW200-1 and the Borealis Watch Co. Jamanta uses the Miyota 9015.

Side by side

Circula Watches AquaSport IIvsBorealis Watch Co. Jamanta

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

Circula Watches AquaSport II

Borealis Watch Co.Jamanta

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

MSRP $415

At a glance

11 of 29 specs differ

Diameter

AquaSport II40mm

Jamanta42.50mm

Power Reserve

AquaSport II—

Jamanta40h

Water Resistance

AquaSport II200m

Jamanta300m

MSRP

AquaSport II—

Jamanta$415

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

Blue

Black

Lume

None

BGW9

Movement

2 specs

Caliber

Sellita SW200-1

Miyota 9015

Power Reserve

—

40h

Pricing

1 specs

MSRP

—

$415

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