Side by side
Borealis Watch Co. LusitanovsSeiko King Seiko KSK
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Lusitano39mm
King Seiko KSK38.6mm
Power Reserve
Lusitano60h
King Seiko KSK45h
Water Resistance
Lusitano100m
King Seiko KSK50m
MSRP
Lusitano$350
King Seiko KSK$3,300
Full specifications
Case
5 specsDiameter
39mm
38.6mm
Thickness
12.60mm
10.7mm
Lug-to-Lug
47mm
45.8mm
Lug Width
20mm
19mm
Water Resistance
100m
50m
Crystal & Dial
3 specsCrystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
Yes
None
Movement
3 specsCaliber
Miyota 8315
6L35
Power Reserve
60h
45h
Jewels
25
26
Pricing
1 specsMSRP
$350
$3,300
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