Side by side
Oak & Oscar The Humboldt Seven YearvsGrand Seiko SBGM221
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 Seven Year39.5mm
SBGM22139.5mm
Power Reserve
The Humboldt Seven Year42h
SBGM22172h
Water Resistance
The Humboldt Seven Year200m
SBGM22130m
MSRP
The Humboldt Seven Year$2,400
SBGM221$5,400
Full specifications
Case
6 specsCategory
Tool
GMT
Thickness
12.4mm
13.7mm
Lug-to-Lug
46.8mm
46.9mm
Lug Width
20mm
19mm
Material
316L Stainless Steel + Brass
Stainless Steel
Water Resistance
200m
30m
Crystal & Dial
3 specsCrystal Shape
Double-domed
Flat
AR Coating
Underside
Yes
Lume
Super-LumiNova
None
Movement
4 specsCaliber
Sellita SW300
9S66
Beat Rate
4 vph
28,800 vph
Power Reserve
42h
72h
Complications
GMT, Chronograph, Date
None
Pricing
1 specsMSRP
$2,400
$5,400
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