Side by side
Helgray GMT (Refurbished)vsOak & Oscar The Humboldt GMT SAR Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
GMT (Refurbished)42mm
The Humboldt GMT SAR Edition39.5mm
Power Reserve
GMT (Refurbished)40h
The Humboldt GMT SAR Edition56 hoursh
Water Resistance
GMT (Refurbished)50m
The Humboldt GMT SAR Edition200m
MSRP
GMT (Refurbished)$150
The Humboldt GMT SAR Edition$2,950
Full specifications
Case
6 specsDiameter
42mm
39.5mm
Thickness
12mm
12.5mm
Lug-to-Lug
46mm
46.8mm
Material
Stainless Steel
Grade 5 Titanium
Water Resistance
50m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
3 specsCrystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Lume
None
Super-LumiNova
Movement
4 specsCaliber
Swiss-Made Ronda 515.24H Strap
Sellita SW330
Type
Quartz
Automatic
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56 hoursh
Pricing
1 specsMSRP
$150
$2,950
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