Side by side
Borealis Watch Co. NeptunovsSeiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Neptuno40.00mm
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition40mm
Power Reserve
Neptuno40h
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Water Resistance
Neptuno300m
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition300m
MSRP
Neptuno$390
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition$1,400
Full specifications
Case
4 specsDiameter
40.00mm
40mm
Thickness
14.10mm
13mm
Lug-to-Lug
47.20mm
46.4mm
Lug Width
20mm
20mm
Crystal & Dial
3 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
BGW9
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
NH38
6R55
Power Reserve
40h
72h
Jewels
25
24
Pricing
1 specsMSRP
$390
$1,400
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