Side by side
Boldr Expedition EnigmathvsOak & Oscar The Humboldt GMT USSS Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Expedition Enigmath41mm
The Humboldt GMT USSS Edition39.5mm
Power Reserve
Expedition Enigmath42h
The Humboldt GMT USSS Edition56 hoursh
Water Resistance
Expedition Enigmath200m
The Humboldt GMT USSS Edition200m
MSRP
Expedition Enigmath$599
The Humboldt GMT USSS Edition$2,200
Full specifications
Case
6 specsCategory
Tool
GMT
Diameter
41mm
39.5mm
Thickness
12.8mm
12.5mm
Lug-to-Lug
47.5mm
46.8mm
Material
Stainless Steel
316L Stainless Steel
Caseback
Solid
Engraved
Crystal & Dial
4 specsCrystal Shape
Flat
Double-domed
AR Coating
Yes
Inner
Dial Color
Enigmath Coconino
Black
Lume
Super-LumiNova
Super-LumiNova BGW9
Movement
2 specsCaliber
Miyota 9039,
Sellita SW330
Power Reserve
42h
56 hoursh
Pricing
1 specsMSRP
$599
$2,200
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