Side by side

Seiko Prospex SeavsLoresum LS04

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Prospex Sea
SeikoProspex Sea
LS04
LoresumLS04
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At a glance

11 of 29 specs differ
Diameter
Prospex Sea42mm
LS0439.5mm
Power Reserve
Prospex Sea72h
LS0440h
Water Resistance
Prospex Sea300m
LS0450m
MSRP
Prospex Sea—
LS04—

Full specifications

Case

5 specs
Category
Diver
—
Diameter
42mm
39.5mm
Thickness
13.3mm
9mm
Lug-to-Lug
48.6mm
46.5mm
Water Resistance
300m
50m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Blue Aventurine
Lume
LumiBrite on hands, index(es) and bezel
Super-LumiNova® BGW9

Movement

3 specs
Caliber
6R54
Miyota 9015
Power Reserve
72h
40h
Jewels
24
25
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