Side by side
Oak & Oscar The Humboldt GMT TitaniumvsTudor Black Bay GMT S&G
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
20 of 29 specs differDiameter
The Humboldt GMT Titanium39.5mm
Black Bay GMT S&G41mm
Power Reserve
The Humboldt GMT Titanium56 hoursh
Black Bay GMT S&G70h
Water Resistance
The Humboldt GMT Titanium200m
Black Bay GMT S&G200m
MSRP
The Humboldt GMT Titanium$2,950
Black Bay GMT S&G$5,825
Full specifications
Case
7 specsDiameter
39.5mm
41mm
Thickness
12.5mm
14.6mm
Lug-to-Lug
46.8mm
46mm
Lug Width
20mm
22mm
Material
Grade 5 Titanium
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Caseback
Solid screw-down
Engraved
Crystal & Dial
5 specsCrystal Shape
Double-domed
—
AR Coating
Underside
—
Dial Color
Green
Black
Indices
Applied
—
Lume
Super-LumiNova
None
Movement
7 specsCaliber
Sellita SW330
MT5652
Beat Rate
4 vph
0 vph
Power Reserve
56 hoursh
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
GMT
Pricing
1 specsMSRP
$2,950
$5,825
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