Side by side
Seiko Prospex SeavsPraesidus Neptune 44
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Prospex Sea42mm
Neptune 4444mm
Power Reserve
Prospex Sea72h
Neptune 4440h
Water Resistance
Prospex Sea300m
Neptune 44200m
MSRP
Prospex Sea—
Neptune 44$550
Full specifications
Case
6 specsDiameter
42mm
44mm
Thickness
13.3mm
—
Lug-to-Lug
48.6mm
—
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m
Crystal & Dial
4 specsCrystal
Sapphire
Domed Sapphire
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Patina
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
3 specsCaliber
6R54
Miyota 9039
Power Reserve
72h
40h
Jewels
24
25
Pricing
1 specsMSRP
—
$550
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