Side by side
Oak & Oscar The Humboldt GMT TitaniumvsBoldr Polaris
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
The Humboldt GMT Titanium39.5mm
Polaris38mm
Power Reserve
The Humboldt GMT Titanium56 hoursh
Polaris40h
Water Resistance
The Humboldt GMT Titanium200m
Polaris200m
MSRP
The Humboldt GMT Titanium$2,950
Polaris$399
Full specifications
Case
6 specsCategory
GMT
Tool
Diameter
39.5mm
38mm
Thickness
12.5mm
12mm
Lug-to-Lug
46.8mm
44mm
Material
Grade 5 Titanium
Titanium
Caseback
Solid screw-down
Solid
Crystal & Dial
3 specsCrystal Shape
Double-domed
Flat
AR Coating
Underside
Yes
Dial Color
Green
Blackout
Movement
3 specsCaliber
Sellita SW330
Seiko NH38A
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h
Pricing
1 specsMSRP
$2,950
$399
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