Side by side
Oak & Oscar The Humboldt GMTvsBoldr Polaris
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
The Humboldt GMT39.5mm
Polaris38mm
Power Reserve
The Humboldt GMT56 hoursh
Polaris40h
Water Resistance
The Humboldt GMT200m
Polaris200m
MSRP
The Humboldt GMT$2,175
Polaris$399
Full specifications
Case
7 specsCategory
GMT
Tool
Diameter
39.5mm
38mm
Thickness
12.5mm
12mm
Lug-to-Lug
46.8mm
44mm
Material
316L Stainless Steel
Titanium
Finish
Brushed
Brushed and polished
Caseback
Solid screw-down
Solid
Crystal & Dial
3 specsCrystal Shape
Double-domed
Flat
AR Coating
Underside
Yes
Dial Color
White
Blackout
Movement
3 specsCaliber
Sellita SW330
Seiko NH38A
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h
Pricing
1 specsMSRP
$2,175
$399
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