Side by side
Borealis Watch Co. Caloura 300mvsSpinnaker Spence 300
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Caloura 300m42mm
Spence 30040mm
Power Reserve
Caloura 300m40h
Spence 30040h
Water Resistance
Caloura 300m300m
Spence 300300m
MSRP
Caloura 300m$275
Spence 300$650
Full specifications
Case
5 specsDiameter
42mm
40mm
Thickness
13.9mm
11.5mm
Lug-to-Lug
44.20mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
2 specsDial Color
Black
Aquamarine
Lume
BGW9
None
Movement
1 specsCaliber
NH35
SII NH35A
Pricing
1 specsMSRP
$275
$650
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