Side by side

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsOak & Oscar The Humboldt GMT USSS Edition

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

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch
SeikoProspex Marinemaster Marinemaster 1968 Heritage Diver's Watch
MSRP $3,600
The Humboldt GMT USSS Edition
Oak & OscarThe Humboldt GMT USSS Edition
MSRP $2,200

At a glance

14 of 29 specs differ
Diameter
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
The Humboldt GMT USSS Edition39.5mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h
The Humboldt GMT USSS Edition56 hoursh
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
The Humboldt GMT USSS Edition200m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$3,600
The Humboldt GMT USSS Edition$2,200

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
42.6mm
39.5mm
Thickness
14.1mm
12.5mm
Lug-to-Lug
49.3mm
46.8mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m
Caseback
Solid
Engraved

Crystal & Dial

3 specs
Crystal Shape
Curved
Double-domed
AR Coating
Anti-reflective coating on inner surface
Inner
Lume
LumiBrite on hands, index(es) and bezel
Super-LumiNova BGW9

Movement

3 specs
Caliber
8L45
Sellita SW330
Power Reserve
72h
56 hoursh
Jewels
35
25

Pricing

1 specs
MSRP
$3,600
$2,200

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