Side by side
Borealis Watch Co. Caloura 300mvsRolex Submariner
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Caloura 300m42mm
Submariner41mm
Power Reserve
Caloura 300m40h
Submariner70h
Water Resistance
Caloura 300m300m
Submariner300m
MSRP
Caloura 300m$275
Submariner$10,050
Full specifications
Case
7 specsDiameter
42mm
41mm
Thickness
13.9mm
—
Lug-to-Lug
44.20mm
—
Lug Width
22mm
—
Material
Stainless Steel
Oystersteel
Finish
Brushed and polished
—
Caseback
Solid
Monobloc middle case, screw-down case back and winding crown
Crystal & Dial
3 specsAR Coating
Inner
—
Indices
Applied
Index
Lume
BGW9
Chromalight
Movement
3 specsCaliber
NH35
3230
Power Reserve
40h
70h
Jewels
25
31
Pricing
1 specsMSRP
$275
$10,050
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