Which is cheaper, the Marathon Arctic OSAR 41mm Automatic or the Borealis Watch Co. Caloura 300m?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $1,800 for the Marathon Arctic OSAR 41mm Automatic — a $1,525 gap before any retailer discounting.

Which is bigger, the Marathon Arctic OSAR 41mm Automatic or the Borealis Watch Co. Caloura 300m?

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 41mm for the Marathon Arctic OSAR 41mm Automatic — a 1mm difference across the dial.

What movement does the Marathon Arctic OSAR 41mm Automatic run compared to the Borealis Watch Co. Caloura 300m?

Both watches run automatic movements — the Marathon Arctic OSAR 41mm Automatic uses the Sellita SW220-1 and the Borealis Watch Co. Caloura 300m uses the NH35.

Side by side

Marathon Arctic OSAR 41mm AutomaticvsBorealis Watch Co. Caloura 300m

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

Marathon Arctic OSAR 41mm Automatic

41mm-arctic-original-sar-w-date-on-3-piece-rubber-strap-kit-osar-d

MSRP $1,800

Borealis Watch Co.Caloura 300m

borealis-caloura-diver-watch

MSRP $275

At a glance

9 of 29 specs differ

Diameter

Arctic OSAR 41mm Automatic41mm

Caloura 300m42mm

Power Reserve

Arctic OSAR 41mm Automatic40h

Caloura 300m40h

Water Resistance

Arctic OSAR 41mm Automatic300m

Caloura 300m300m

MSRP

Arctic OSAR 41mm Automatic$1,800

Caloura 300m$275

Full specifications

Case

5 specs

Diameter

41mm

42mm

Thickness

13mm

13.9mm

Lug-to-Lug

43.5mm

44.20mm

Lug Width

18mm

22mm

Material

316L Stainless Steel

Stainless Steel

Crystal & Dial

2 specs

Dial Color

White

Black

Lume

None

BGW9

Movement

1 specs

Caliber

Sellita SW220-1

NH35

Pricing

1 specs

MSRP

$1,800

$275

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