Side by side
Borealis Watch Co. Caloura 300mvsSeiko Captain Willard
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
13 of 29 specs differDiameter
Caloura 300m42mm
Captain Willard42.7mm
Power Reserve
Caloura 300m—
Captain Willard70h
Water Resistance
Caloura 300m300m
Captain Willard200m
MSRP
Caloura 300m$275
Captain Willard$1,300
Full specifications
Case
5 specsDiameter
42mm
42.7mm
Thickness
13.9mm
13.2mm
Lug-to-Lug
44.2mm
46.6mm
Lug Width
22mm
20mm
Water Resistance
300m
200m
Crystal & Dial
4 specsCrystal Shape
—
Curved
AR Coating
—
underside
Dial Color
—
Black
Lume
BGW9
LumiBrite
Movement
3 specsCaliber
Seiko NH35
Seiko 6R35
Power Reserve
0h
70h
Jewels
0
24
Pricing
1 specsMSRP
$275
$1,300
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