Which is cheaper, the Borealis Watch Co. Caloura 300m or the Sternglas Naos Mondphase?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $323 for the Sternglas Naos Mondphase — a $48 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Sternglas Naos Mondphase?

The Borealis Watch Co. Caloura 300m wears larger at 42mm versus 38mm for the Sternglas Naos Mondphase — a 4mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Caloura 300m or the Sternglas Naos Mondphase?

The Borealis Watch Co. Caloura 300m is rated to 300m versus 50m for the Sternglas Naos Mondphase.

What movement does the Borealis Watch Co. Caloura 300m run compared to the Sternglas Naos Mondphase?

The Borealis Watch Co. Caloura 300m runs a automatic caliber (NH35), while the Sternglas Naos Mondphase runs a quartz (Seiko VJ76).

Side by side

Borealis Watch Co. Caloura 300mvsSternglas Naos Mondphase

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

Sternglas Naos Mondphase

naos-mondphase-mitternachtsblau

MSRP $323

At a glance

13 of 29 specs differ

Diameter

Caloura 300m42mm

Naos Mondphase38mm

Power Reserve

Caloura 300m40h

Naos Mondphase—

Water Resistance

Caloura 300m300m

Naos Mondphase50m

MSRP

Caloura 300m$275

Naos Mondphase$323

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

Black

—

Lume

BGW9

Luminova Punkten

Movement

4 specs

Caliber

NH35

Seiko VJ76

Type

Automatic

Quartz

Power Reserve

40h

—

Jewels

—

Pricing

1 specs

MSRP

$275

$323

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