Side by side
Oak & Oscar The Humboldt GMT TitaniumvsSerket Watch Co Reef Mariana
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
The Humboldt GMT Titanium39.5mm
Reef Mariana40mm
Power Reserve
The Humboldt GMT Titanium56 hoursh
Reef Mariana—
Water Resistance
The Humboldt GMT Titanium200m
Reef Mariana200m
MSRP
The Humboldt GMT Titanium$2,950
Reef Mariana$449
Full specifications
Case
6 specsCategory
GMT
—
Diameter
39.5mm
40mm
Thickness
12.5mm
13.2mm
Lug-to-Lug
46.8mm
47.5mm
Material
Grade 5 Titanium
Stainless Steel
Caseback
Solid screw-down
Solid
Crystal & Dial
4 specsCrystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
Green
Orange
Lume
Super-LumiNova
BGW9
Movement
3 specsCaliber
Sellita SW330
Seiko NH35
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
—
Pricing
1 specsMSRP
$2,950
$449
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