Side by side
Oak & Oscar The Humboldt Seven YearvsGrand Seiko SBGC253
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
The Humboldt Seven Year39.5mm
SBGC25344.5mm
Power Reserve
The Humboldt Seven Year42h
SBGC25372h
Water Resistance
The Humboldt Seven Year200m
SBGC253200m
MSRP
The Humboldt Seven Year$2,400
SBGC253$13,200
Full specifications
Case
6 specsCategory
Tool
Chronograph
Diameter
39.5mm
44.5mm
Thickness
12.4mm
16.8mm
Lug-to-Lug
46.8mm
50mm
Lug Width
20mm
23mm
Material
316L Stainless Steel + Brass
Titanium
Crystal & Dial
3 specsCrystal Shape
Double-domed
Flat
AR Coating
Underside
Yes
Lume
Super-LumiNova
None
Movement
5 specsCaliber
Sellita SW300
9R86
Type
Automatic
Spring Drive
Beat Rate
4 vph
28,800 vph
Power Reserve
42h
72h
Complications
GMT, Chronograph, Date
None
Pricing
1 specsMSRP
$2,400
$13,200
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