Side by side
Borealis Watch Co. LusitanovsSeestern S450 Ocean Star
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Lusitano39mm
S450 Ocean Star40mm
Power Reserve
Lusitano60h
S450 Ocean Star41h
Water Resistance
Lusitano100m
S450 Ocean Star100m
MSRP
Lusitano$350
S450 Ocean Star$299
Full specifications
Case
5 specsCategory
Dress
Diver
Diameter
39mm
40mm
Thickness
12.60mm
12mm
Lug-to-Lug
47mm
48mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
2 specsDial Color
Black
White
Lume
Yes
Tritium
Movement
5 specsCaliber
Miyota 8315
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
60h
41h
Jewels
25
24
Complications
None
GMT, Date
Pricing
1 specsMSRP
$350
$299
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