Side by side
Borealis Watch Co. Caloura 300mvsShiro Kara Samebito: Duke
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Caloura 300m42mm
Samebito: Duke40mm
Power Reserve
Caloura 300m40h
Samebito: Duke41h
Water Resistance
Caloura 300m300m
Samebito: Duke100m
MSRP
Caloura 300m$275
Samebito: Duke$418
Full specifications
Case
7 specsCategory
Diver
—
Diameter
42mm
40mm
Thickness
13.9mm
13.2mm
Lug-to-Lug
44.20mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
904L Stainless Steel (Black PVD coated)
Water Resistance
300m
100m
Crystal & Dial
2 specsDial Color
Black
—
Lume
BGW9
None
Movement
1 specsPower Reserve
40h
41h
Pricing
1 specsMSRP
$275
$418
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