Side by side
Borealis Watch Co. Caloura 300mvsHELM Miyako
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Caloura 300m42mm
Miyako40mm
Power Reserve
Caloura 300m40h
Miyako42h
Water Resistance
Caloura 300m300m
Miyako200m
MSRP
Caloura 300m$275
Miyako$375
Full specifications
Case
5 specsDiameter
42mm
40mm
Thickness
13.9mm
13.75mm
Lug-to-Lug
44.20mm
47mm
Lug Width
22mm
22mm
Water Resistance
300m
200m
Crystal & Dial
4 specsCrystal Shape
Flat
Double-Domed
AR Coating
Inner
Yes
Dial Color
Black
Gray
Lume
BGW9
Super-LumiNova
Movement
3 specsCaliber
NH35
—
Power Reserve
40h
42h
Jewels
25
24
Pricing
1 specsMSRP
$275
$375
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