Side by side
Zelos Hammerhead (Tantalum LE)vsGrand Seiko SBGW306
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Hammerhead (Tantalum LE)44mm
SBGW30636.5mm
Power Reserve
Hammerhead (Tantalum LE)40h
SBGW30672h
Water Resistance
Hammerhead (Tantalum LE)300m
SBGW306100m
MSRP
Hammerhead (Tantalum LE)$1,499
SBGW306$17,900
Full specifications
Case
7 specsCategory
Diver
Dress
Diameter
44mm
36.5mm
Thickness
13mm
11.7mm
Lug-to-Lug
44mm
42.7mm
Lug Width
22mm
18mm
Material
Titanium
Gold
Water Resistance
300m
100m
Crystal & Dial
3 specsCrystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
Tantalum LE
Black
Movement
3 specsCaliber
Seiko NH35
9S64
Type
Automatic
Manual
Power Reserve
40h
72h
Pricing
1 specsMSRP
$1,499
$17,900
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