Side by side
Grand Seiko SBGD223vsZelos Hammerhead V3 300m Titanium
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
SBGD22344.5mm
Hammerhead V3 300m Titanium44mm
Power Reserve
SBGD223192h
Hammerhead V3 300m Titanium40h
Water Resistance
SBGD223100m
Hammerhead V3 300m Titanium300m
MSRP
SBGD223$320,000
Hammerhead V3 300m Titanium$559
Full specifications
Case
7 specsCategory
Chronograph
Diver
Diameter
44.5mm
44mm
Thickness
14.4mm
13mm
Lug-to-Lug
52mm
44mm
Lug Width
23mm
22mm
Material
Platinum
Titanium
Water Resistance
100m
300m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
Ti - Mosaic MOP
Movement
3 specsCaliber
9R01
Seiko NH35
Type
Spring Drive
Automatic
Power Reserve
192h
40h
Pricing
1 specsMSRP
$320,000
$559
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