Side by side
Oak & Oscar The Humboldt GMT TitaniumvsTissot Gentleman Open Heart
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
The Humboldt GMT Titanium39.5mm
Gentleman Open Heart40mm
Power Reserve
The Humboldt GMT Titanium56 hoursh
Gentleman Open Heart80h
Water Resistance
The Humboldt GMT Titanium200m
Gentleman Open Heart100m
MSRP
The Humboldt GMT Titanium$2,950
Gentleman Open Heart$1,025
Full specifications
Case
8 specsCategory
GMT
Chronograph
Diameter
39.5mm
40mm
Thickness
12.5mm
11.5mm
Lug-to-Lug
46.8mm
40mm
Lug Width
20mm
21mm
Material
Grade 5 Titanium
Stainless Steel
Water Resistance
200m
100m
Caseback
Solid screw-down
Solid
Crystal & Dial
5 specsCrystal Shape
Double-domed
Domed
AR Coating
Underside
Yes
Dial Color
Green
Silver
Indices
Applied
Indexes
Lume
Super-LumiNova
Super-LumiNova ®
Movement
3 specsCaliber
Sellita SW330
11 1/2'''
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
80h
Pricing
1 specsMSRP
$2,950
$1,025
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