Which is cheaper, the Borealis Watch Co. Caloura 300m or the Praesidus C-47 D-day - Aluminum Patina?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $550 for the Praesidus C-47 D-day - Aluminum Patina — a $275 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Praesidus C-47 D-day - Aluminum Patina?

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 38mm for the Praesidus C-47 D-day - Aluminum Patina — a 4mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Caloura 300m or the Praesidus C-47 D-day - Aluminum Patina?

The Borealis Watch Co. Caloura 300m is rated to 300m versus 100m for the Praesidus C-47 D-day - Aluminum Patina.

What movement does the Borealis Watch Co. Caloura 300m run compared to the Praesidus C-47 D-day - Aluminum Patina?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Praesidus C-47 D-day - Aluminum Patina uses the Seiko NH35.

Side by side

Borealis Watch Co. Caloura 300mvsPraesidus C-47 D-day - Aluminum Patina

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

Praesidus C-47 D-day - Aluminum Patina

c-47-a-11-skytrain-aluminum-patina

MSRP $550

At a glance

11 of 29 specs differ

Diameter

Caloura 300m42mm

C-47 D-day - Aluminum Patina38mm

Power Reserve

Caloura 300m40h

C-47 D-day - Aluminum Patina40h

Water Resistance

Caloura 300m300m

C-47 D-day - Aluminum Patina100m

MSRP

Caloura 300m$275

C-47 D-day - Aluminum Patina$550

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Dial Color

Black

C-47 D-Day - Aluminum Patina

Lume

BGW9

None

Movement

1 specs

Caliber

NH35

Seiko NH35

Pricing

1 specs

MSRP

$275

$550

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