Side by side
Oak & Oscar The Humboldt GMT SAR EditionvsLum-Tec B64 Chronograph
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 SAR Edition39.5mm
B64 Chronograph44mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
B64 Chronograph40h
Water Resistance
The Humboldt GMT SAR Edition200m
B64 Chronograph100m
MSRP
The Humboldt GMT SAR Edition$2,950
B64 Chronograph$545
Full specifications
Case
8 specsCategory
GMT
Chronograph
Diameter
39.5mm
44mm
Thickness
12.5mm
—
Lug-to-Lug
46.8mm
51.5mm
Lug Width
20mm
22mm
Material
Grade 5 Titanium
Titanium (DLC coated)
Water Resistance
200m
100m
Caseback
Solid screw-down
Solid
Crystal & Dial
5 specsCrystal
Sapphire
Domed Sapphire
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
Black
Standard
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Sellita SW330
—
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h
Pricing
1 specsMSRP
$2,950
$545
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