Side by side

Borealis Watch Co. Caloura 300mvsSeiko 5 Sports SRPM19

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
See the full Caloura 300m
5 Sports SRPM19
Seiko5 Sports SRPM19
MSRP $495
See the full 5 Sports SRPM19
Buy from Borealis Watch Co. ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

At a glance

12 of 29 specs differ
Diameter
Caloura 300m42mm
5 Sports SRPM1942.5mm
Power Reserve
Caloura 300m—
5 Sports SRPM19—
Water Resistance
Caloura 300m300m
5 Sports SRPM19100m
MSRP
Caloura 300m$275
5 Sports SRPM19$495

Full specifications

Case

7 specs
Category
Diver
Sports
Diameter
42mm
42.5mm
Thickness
13.9mm
13.4mm
Lug-to-Lug
44.2mm
0mm
Lug Width
22mm
0mm
Finish
—
Stainless steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
—
Dial Color
—
Blue
Lume
BGW9
None

Movement

1 specs
Caliber
Seiko NH35
Seiko 4R36

Pricing

1 specs
MSRP
$275
$495
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.

Spinnaker Cahill Automatic
Spinnakermicro

Cahill Automatic

3 variantsCahill
42mm·Automatic·200m WR
$350MSRP
—Used
Spinnaker Croft 42 Skeleton
Spinnakermicro

Croft 42 Skeleton

5 watches · 28 variantsCroft
42mm·Automatic·100m WR
$435MSRP
—Used
Borealis Watch Co. Sintra
Borealis Watch Co.micro

Sintra

9 variantsSintra
41.5mm·Automatic·200m WR
$650MSRP
—Used
Phoibos Wave Master
Phoibosmicro

Wave Master

3 variantsWave Master
42mm·Automatic·300m WR
$309MSRP
—Used
Geckota Phalanx
Geckotamicro

Phalanx

8 variantsPhalanx
42mm·Automatic·300m WR
$349MSRP
—Used
Phoibos Eagle Ray
Phoibosmicro

Eagle Ray

4 variantsEagle Ray
41mm·Automatic·200m WR
$360MSRP
—Used
Lum-Tec Combat B73
Lum-Tecmicro

Combat B73

43mm·Automatic·200m WR
$545MSRP
—Used
Sternglas Merion
Sternglasmicro

Merion

2 variantsMerion
41mm·Automatic·200m WR
$701MSRP
—Used
All alternatives to the Caloura 300m →All alternatives to the 5 Sports SRPM19 →
Explore the full catalog
DiscussionNot started
Adjacent matchups

People also compared

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

Seiko 5 Sports SRPM19vsSpinnaker Tesei TitaniumSeiko 5 Sports SRPM19vsSpinnaker Hass AutomaticSeiko 5 Sports SRPM19vsSpinnaker Hull DiverSeiko 5 Sports SRPM19vsZelos Swordfish 3Borealis Watch Co. Caloura 300mvsSpinnaker Fleuss Pearl Diver NessieBorealis Watch Co. Caloura 300mvsZelos Great White 43
Edit this comparisonAdd another watchExplore more 41–44mm watches