Side by side
Oak & Oscar The Humboldt GMT USSS EditionvsTornek-Rayville TR-660 Sapphire Non-date
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
The Humboldt GMT USSS Edition39.5mm
TR-660 Sapphire Non-date40mm
Power Reserve
The Humboldt GMT USSS Edition56 hoursh
TR-660 Sapphire Non-date50h
Water Resistance
The Humboldt GMT USSS Edition200m
TR-660 Sapphire Non-date200m
MSRP
The Humboldt GMT USSS Edition$2,200
TR-660 Sapphire Non-date—
Full specifications
Case
6 specsCategory
GMT
Diver
Diameter
39.5mm
40mm
Thickness
12.5mm
14.7mm
Lug-to-Lug
46.8mm
48.5mm
Material
316L Stainless Steel
Stainless Steel
Caseback
Engraved
Solid
Crystal & Dial
3 specsCrystal Shape
Double-domed
Flat
AR Coating
Inner
Yes
Lume
Super-LumiNova BGW9
Superluminova
Movement
2 specsCaliber
Sellita SW330
TMI NH38
Power Reserve
56 hoursh
50h
Pricing
1 specsMSRP
$2,200
—
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