Side by side

Oak & Oscar The Humboldt GMT USSS EditionvsSeiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

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

The Humboldt GMT USSS Edition
Oak & OscarThe Humboldt GMT USSS Edition
MSRP $2,200
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition
SeikoProspex SPEEDTIMER Mechanical Datsun 240Z Limited Edition
MSRP $1,150

At a glance

12 of 29 specs differ
Diameter
The Humboldt GMT USSS Edition39.5mm
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition39.5mm
Power Reserve
The Humboldt GMT USSS Edition56 hoursh
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition72h
Water Resistance
The Humboldt GMT USSS Edition200m
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition200m
MSRP
The Humboldt GMT USSS Edition$2,200
Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition$1,150

Full specifications

Case

5 specs
Category
GMT
Chronograph
Thickness
12.5mm
12mm
Lug-to-Lug
46.8mm
44.5mm
Material
316L Stainless Steel
Stainless Steel
Caseback
Engraved
Solid

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW330
6R55
Power Reserve
56 hoursh
72h
Jewels
25
24

Pricing

1 specs
MSRP
$2,200
$1,150

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