Side by side
Ferro Time Master 70vsOak & Oscar The Humboldt GMT Titanium
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Time Master 7047mm
The Humboldt GMT Titanium39.5mm
Power Reserve
Time Master 7040h
The Humboldt GMT Titanium56 hoursh
Water Resistance
Time Master 7050m
The Humboldt GMT Titanium200m
MSRP
Time Master 70$685
The Humboldt GMT Titanium$2,950
Full specifications
Case
7 specsCategory
Chronograph
GMT
Diameter
47mm
39.5mm
Thickness
13mm
12.5mm
Lug-to-Lug
47mm
46.8mm
Material
316L Stainless Steel
Grade 5 Titanium
Water Resistance
50m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
4 specsCrystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Dial Color
Gold
Green
Lume
None
Super-LumiNova
Movement
3 specsCaliber
Miyota 9039
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56 hoursh
Pricing
1 specsMSRP
$685
$2,950
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