Side by side
Oak & Oscar The Humboldt GMT TitaniumvsTornek-Rayville Blakjak Time-elapse
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
The Humboldt GMT Titanium39.5mm
Blakjak Time-elapse42.5mm
Power Reserve
The Humboldt GMT Titanium56 hoursh
Blakjak Time-elapse42h
Water Resistance
The Humboldt GMT Titanium200m
Blakjak Time-elapse200m
MSRP
The Humboldt GMT Titanium$2,950
Blakjak Time-elapse$895
Full specifications
Case
7 specsCategory
GMT
Diver
Diameter
39.5mm
42.5mm
Thickness
12.5mm
13.2mm
Lug-to-Lug
46.8mm
49mm
Lug Width
20mm
22mm
Material
Grade 5 Titanium
Stainless Steel
Caseback
Solid screw-down
Solid
Crystal & Dial
4 specsCrystal Shape
Double-domed
Flat
AR Coating
Underside
Yes
Dial Color
Green
Black
Lume
Super-LumiNova
Superluminova
Movement
3 specsCaliber
Sellita SW330
SII NH36
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
42h
Pricing
1 specsMSRP
$2,950
$895
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