Side by side
Borealis Watch Co. Caloura 300mvsCore Timepieces The River Watch
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Caloura 300m42mm
The River Watch42mm
Power Reserve
Caloura 300m40h
The River Watch—
Water Resistance
Caloura 300m300m
The River Watch300m
MSRP
Caloura 300m$275
The River Watch$540
Full specifications
Case
5 specsCategory
Diver
—
Diameter
42mm
42mm
Thickness
13.9mm
—
Lug-to-Lug
44.20mm
—
Material
Stainless Steel
Titanium
Crystal & Dial
2 specsDial Color
Black
—
Lume
BGW9
None
Movement
2 specsCaliber
NH35
Seiko NH34A
Power Reserve
40h
—
Pricing
1 specsMSRP
$275
—
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