Side by side
Sheffield 1AvsZelos Hammerhead V3 300m Titanium
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
1A40mm
Hammerhead V3 300m Titanium44mm
Power Reserve
1A—
Hammerhead V3 300m Titanium40h
Water Resistance
1A200m
Hammerhead V3 300m Titanium300m
MSRP
1A$223
Hammerhead V3 300m Titanium$559
Full specifications
Case
6 specsDiameter
40mm
44mm
Thickness
12.8mm
13mm
Lug-to-Lug
46mm
44mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
200m
300m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
Dial Color
White/Blue
Ti - Mosaic MOP
Lume
Swiss blue lume
None
Movement
2 specsCaliber
Seiko NH35A
Seiko NH35
Power Reserve
—
40h
Pricing
1 specsMSRP
$223
$559
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