Side by side
Grand Seiko STGK003vsZelos Hammerhead V3 300m Bronze
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
STGK00328.7mm
Hammerhead V3 300m Bronze44mm
Power Reserve
STGK00350h
Hammerhead V3 300m Bronze40h
Water Resistance
STGK003100m
Hammerhead V3 300m Bronze300m
MSRP
STGK003$31,200
Hammerhead V3 300m Bronze$449
Full specifications
Case
7 specsCategory
Dress
Diver
Diameter
28.7mm
44mm
Thickness
10.9mm
13mm
Lug-to-Lug
35.1mm
44mm
Lug Width
14mm
22mm
Material
Gold
Titanium
Water Resistance
100m
300m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
Bronze - Frost
Movement
2 specsCaliber
9S27
Seiko NH35
Power Reserve
50h
40h
Pricing
1 specsMSRP
$31,200
$449
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