Side by side
Borealis Watch Co. LusitanovsSeiko Prospex Sea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Lusitano39mm
Prospex Sea41.7mm
Power Reserve
Lusitano60h
Prospex Sea41h
Water Resistance
Lusitano100m
Prospex Sea200m
MSRP
Lusitano$350
Prospex Sea$595
Full specifications
Case
5 specsCategory
Dress
Diver
Diameter
39mm
41.7mm
Thickness
12.60mm
12.3mm
Lug-to-Lug
47mm
49.5mm
Water Resistance
100m
200m
Crystal & Dial
2 specsCrystal
Sapphire
Hardlex
Lume
Yes
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Miyota 8315
4R35
Power Reserve
60h
41h
Jewels
25
23
Pricing
1 specsMSRP
$350
$595
Follow this matchup
Get a note when Borealis Watch Co. Lusitano vs Seiko Prospex Sea gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Sternglas Naos Automatik Edition 60vsSeiko Prospex SeaSeiko Prospex SeavsWolbrook Outrider AutomaticChristopher Ward C65 Sandhurst Series 2vsSeiko Prospex SeaSeiko Prospex SeavsWolbrook Pan4Timer AutomaticBorealis Watch Co. LusitanovsBorealis Watch Co. JamantaBorealis Watch Co. LusitanovsDryden Pathfinder