Side by side
Borealis Watch Co. LusitanovsSeiko Prospex LX line
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Lusitano39mm
Prospex LX line44.8mm
Power Reserve
Lusitano60h
Prospex LX line72h
Water Resistance
Lusitano100m
Prospex LX line300m
MSRP
Lusitano$350
Prospex LX line$6,500
Full specifications
Case
7 specsCategory
Dress
Diver
Diameter
39mm
44.8mm
Thickness
12.60mm
15.7mm
Lug-to-Lug
47mm
50.9mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
100m
300m
Crystal & Dial
2 specsAR Coating
Inner
Anti-reflective coating on inner surface
Lume
Yes
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Miyota 8315
5R65
Type
Automatic
Spring Drive
Power Reserve
60h
72h
Jewels
25
30
Pricing
1 specsMSRP
$350
$6,500
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