Side by side
Borealis Watch Co. Caloura 300mvsRolex Sea-Dweller
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
19 of 29 specs differDiameter
Caloura 300m42mm
Sea-Dweller43mm
Power Reserve
Caloura 300m—
Sea-Dweller70h
Water Resistance
Caloura 300m300m
Sea-Dweller1,220m
MSRP
Caloura 300m$275
Sea-Dweller$14,550
Full specifications
Case
7 specsDiameter
42mm
43mm
Thickness
13.9mm
—
Lug-to-Lug
44.20mm
—
Lug Width
22mm
—
Material
Stainless Steel
Oystersteel
Water Resistance
300m
1220m
Caseback
—
Monobloc middle case, screw-down case back and winding crown
Crystal & Dial
4 specsCrystal Shape
—
Flat
Dial Color
—
Black
Indices
—
Index
Lume
BGW9
Chromalight
Movement
7 specsCaliber
NH35
3235
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
70h
Jewels
0
31
Hacking
No
Yes
Hand-winding
No
Yes
Complications
None
Date
Pricing
1 specsMSRP
$275
$14,550
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