Side by side
Praesidus Neptune 44vsSeiko Prospex Sea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Neptune 4444mm
Prospex Sea41mm
Power Reserve
Neptune 4440h
Prospex Sea70h
Water Resistance
Neptune 44200m
Prospex Sea200m
MSRP
Neptune 44$550
Prospex Sea$900
Full specifications
Case
5 specsDiameter
44mm
41mm
Thickness
—
12.3mm
Lug-to-Lug
—
46.9mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
5 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Patina
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Miyota 9039
6R35
Power Reserve
40h
70h
Jewels
25
24
Pricing
1 specsMSRP
$550
$900
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