Side by side
Borealis Watch Co. Caloura 300mvsWilliam Wood International Association of Fire
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
International Association of Fire41mm
Power Reserve
Caloura 300m40h
International Association of Fire40h
Water Resistance
Caloura 300m300m
International Association of Fire100m
MSRP
Caloura 300m$275
International Association of Fire$820
Full specifications
Case
6 specsDiameter
42mm
41mm
Thickness
13.9mm
15mm
Lug-to-Lug
44.20mm
49mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Black
Standard
Lume
BGW9
None
Movement
1 specsCaliber
NH35
Seiko NH35
Pricing
1 specsMSRP
$275
$820
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