Side by side

Oak & Oscar The Humboldt GMT TitaniumvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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

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The Humboldt GMT Titanium
Oak & OscarThe Humboldt GMT Titanium
MSRP $2,950
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
SeikoProspex Sea 1970 Heritage Diver's Black Series Limited Edition
MSRP $3,300
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At a glance

15 of 29 specs differ
Diameter
The Humboldt GMT Titanium39.5mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
The Humboldt GMT Titanium56 hoursh
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
The Humboldt GMT Titanium200m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
The Humboldt GMT Titanium$2,950
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
39.5mm
44mm
Thickness
12.5mm
13mm
Lug-to-Lug
46.8mm
49.3mm
Material
Grade 5 Titanium
Stainless Steel
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Double-domed
Curved
AR Coating
Underside
Anti-reflective coating on inner surface
Dial Color
Green
Black
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
Sellita SW330-2
8L35
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
50h
Jewels
25
26

Pricing

1 specs
MSRP
$2,950
$3,300
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