Side by side
Seiko Prospex SeavsOak & Oscar The Humboldt Seven Year
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Prospex Sea42mm
The Humboldt Seven Year39.5mm
Power Reserve
Prospex Sea72h
The Humboldt Seven Year42h
Water Resistance
Prospex Sea300m
The Humboldt Seven Year200m
MSRP
Prospex Sea—
The Humboldt Seven Year$2,400
Full specifications
Case
6 specsCategory
Diver
Tool
Diameter
42mm
39.5mm
Thickness
13.3mm
12.4mm
Lug-to-Lug
48.6mm
46.8mm
Material
Stainless Steel
316L Stainless Steel + Brass
Water Resistance
300m
200m
Crystal & Dial
3 specsCrystal Shape
Flat
Double-domed
AR Coating
Anti-reflective coating on inner surface
Underside
Lume
LumiBrite on hands, index(es) and bezel
Super-LumiNova
Movement
5 specsCaliber
6R54
Sellita SW300
Beat Rate
28,800 vph
4 vph
Power Reserve
72h
42h
Jewels
24
25
Complications
None
GMT, Chronograph, Date
Pricing
1 specsMSRP
—
$2,400
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