Which is cheaper, the Airain Watches Sous-Marine or the Borealis Watch Co. Jamanta?

At MSRP the Borealis Watch Co. Jamanta is the cheaper of the two at $415, against $2,050 for the Airain Watches Sous-Marine — a $1,635 gap before any retailer discounting.

Which is bigger, the Airain Watches Sous-Marine or the Borealis Watch Co. Jamanta?

The Borealis Watch Co. Jamanta wears larger at 42.50mm versus 37.5mm for the Airain Watches Sous-Marine — a 5mm difference across the dial.

Which has better water resistance, the Airain Watches Sous-Marine or the Borealis Watch Co. Jamanta?

The Borealis Watch Co. Jamanta is rated to 300m versus 200m for the Airain Watches Sous-Marine.

Which has a longer power reserve, the Airain Watches Sous-Marine or the Borealis Watch Co. Jamanta?

The Airain Watches Sous-Marine carries a 68-hour power reserve against 40 hours on the Borealis Watch Co. Jamanta.

What movement does the Airain Watches Sous-Marine run compared to the Borealis Watch Co. Jamanta?

Both watches run automatic movements — the Airain Watches Sous-Marine uses the La Joux-Perret G100 and the Borealis Watch Co. Jamanta uses the Miyota 9015.

Airain Watches Sous-MarinevsBorealis Watch Co. Jamanta

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