Side by side
Borealis Watch Co. Caloura 300mvsSheffield Diver 1
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
Diver 140mm
Power Reserve
Caloura 300m40h
Diver 1—
Water Resistance
Caloura 300m300m
Diver 1200m
MSRP
Caloura 300m$275
Diver 1—
Full specifications
Case
5 specsDiameter
42mm
40mm
Thickness
13.9mm
13mm
Lug-to-Lug
44.20mm
48mm
Lug Width
22mm
20mm
Water Resistance
300m
200m
Crystal & Dial
2 specsDial Color
Black
White
Lume
BGW9
None
Movement
3 specsCaliber
NH35
Miyota 2035
Type
Automatic
Quartz
Power Reserve
40h
—
Pricing
1 specsMSRP
$275
—
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