Side by side
Smith & Bradley Atlantis SportvsOak & 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
15 of 29 specs differDiameter
Atlantis Sport44mm
The Humboldt GMT USSS Edition39.5mm
Power Reserve
Atlantis Sport40h
The Humboldt GMT USSS Edition56 hoursh
Water Resistance
Atlantis Sport300m
The Humboldt GMT USSS Edition200m
MSRP
Atlantis Sport$249
The Humboldt GMT USSS Edition$2,200
Full specifications
Case
8 specsCategory
Diver
GMT
Diameter
44mm
39.5mm
Thickness
12mm
12.5mm
Lug-to-Lug
46mm
46.8mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m
Caseback
Solid
Engraved
Crystal & Dial
3 specsCrystal Shape
Flat
Double-domed
AR Coating
Yes
Inner
Lume
Superluminova
Super-LumiNova BGW9
Movement
3 specsCaliber
Ronda
Sellita SW330
Type
Quartz
Automatic
Power Reserve
40h
56 hoursh
Pricing
1 specsMSRP
$249
$2,200
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