Side by side
Oak & Oscar The Humboldt GMTvsNodus Sentinel for AMMO NYC
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
The Humboldt GMT39.5mm
Sentinel for AMMO NYC41mm
Power Reserve
The Humboldt GMT56 hoursh
Sentinel for AMMO NYC68h
Water Resistance
The Humboldt GMT200m
Sentinel for AMMO NYC200m
MSRP
The Humboldt GMT$2,175
Sentinel for AMMO NYC$999
Full specifications
Case
7 specsCategory
GMT
Sport
Diameter
39.5mm
41mm
Thickness
12.5mm
11.5mm
Lug-to-Lug
46.8mm
47mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed
—
Caseback
Solid screw-down
—
Crystal & Dial
5 specsCrystal Shape
Double-domed
Domed
AR Coating
Underside
Yes
Dial Color
White
Gray
Indices
Applied
—
Lume
Super-LumiNova
Swiss Super-LumiNova® BGW9 Grade A
Movement
4 specsCaliber
Sellita SW330-2
La Joux-Perret G101
Beat Rate
4 vph
0 vph
Power Reserve
56 hoursh
68h
Jewels
25
24
Pricing
1 specsMSRP
$2,175
$999
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