Side by side
Borealis Watch Co. Caloura 300mvsSeiko Monster
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
Monster42.4mm
Power Reserve
Caloura 300m40h
Monster41h
Water Resistance
Caloura 300m300m
Monster200m
MSRP
Caloura 300m$275
Monster$550
Full specifications
Case
5 specsDiameter
42mm
42.4mm
Thickness
13.9mm
13.4mm
Lug-to-Lug
44.20mm
49.4mm
Lug Width
22mm
20mm
Water Resistance
300m
200m
Crystal & Dial
2 specsCrystal
Sapphire
Hardlex
Lume
BGW9
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
NH35
4R36
Power Reserve
40h
41h
Jewels
25
24
Pricing
1 specsMSRP
$275
$550
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