Side by side

Borealis Watch Co. Caloura 300mvsBoldr Polaris

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

Add a watch
Caloura 300m
Borealis Watch Co.Caloura 300m
MSRP $275
Polaris
BoldrPolaris
MSRP $399
Buy from Borealis Watch Co. ↗
Buy used on eBay ↗
Buy from Boldr ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
Caloura 300m42mm
Polaris38mm
Power Reserve
Caloura 300m40h
Polaris40h
Water Resistance
Caloura 300m300m
Polaris200m
MSRP
Caloura 300m$275
Polaris$399

Full specifications

Case

7 specs
Category
Diver
Tool
Diameter
42mm
38mm
Thickness
13.9mm
12mm
Lug-to-Lug
44.20mm
44mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
Blackout
Lume
BGW9
Super-LumiNova

Movement

1 specs
Caliber
NH35
Seiko NH38A

Pricing

1 specs
MSRP
$275
$399
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Boldr Marine
Boldrmicro

Marine

2 variantsRef. marine-elewana
40mm·Automatic·200m WR
$439MSRP
—Used
Hemel HD24 Automatic
Hemelmicro

HD24 Automatic

8 variantsHD24
40mm·Automatic·200m WR
$300MSRP
—Used
Boldr Odyssey Freediver
Boldrmicro

Odyssey Freediver

7 variantsRef. odyssey-freediver-202
40mm·Automatic·300m WR
$649MSRP
—Used
Baltic Aquascaphe Dual-Crown
Balticmicro

Aquascaphe Dual-Crown

2 variantsAquascaphe Dual-Crown
39mm·Automatic·200m WR
$724MSRP
—Used
Christopher Ward C60 Lympstone
Christopher Wardmicro

C60 Lympstone

6 watches · 9 variantsC60
40mm·Automatic·600m WR
$1,615MSRP
—Used
Spinnaker Tesei Titanium
Spinnakermicro

Tesei Titanium

4 watches · 10 variantsTesei
42mm·Automatic·200m WR
$625MSRP
—Used
Marathon Jeep Rubicon GSAR
Marathonmicro
Jeep x Marathon

Jeep Rubicon GSAR

4 watches · 4 variantsJeep x Marathon
41mm·Automatic·300m WR
$2,100MSRP
—Used
Marathon Arctic OSAR 41mm Automatic
Marathonmicro
OSAR

Arctic OSAR 41mm Automatic

6 watches · 6 variantsOSAR
41mm·Automatic·300m WR
$1,800MSRP
—Used
All alternatives to the Caloura 300m →All alternatives to the Polaris →
Explore the full catalog

Follow this matchup

Get a note when Borealis Watch Co. Caloura 300m vs Boldr Polaris gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Boldr MarinevsBoldr PolarisBoldr Odyssey FreedivervsBoldr PolarisChristopher Ward C60 LympstonevsBoldr PolarisBoldr PolarisvsSpinnaker Tesei TitaniumBorealis Watch Co. Caloura 300mvsHemel HD24 AutomaticBaltic Aquascaphe Dual-CrownvsBorealis Watch Co. Caloura 300m
Edit this comparisonAdd another watch