Side by side
Helgray Poseidon Diver (Automatic)vsSheffield 1A 40mm
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
7 of 29 specs differDiameter
Poseidon Diver (Automatic)40mm
1A 40mm40mm
Power Reserve
Poseidon Diver (Automatic)40h
1A 40mm40h
Water Resistance
Poseidon Diver (Automatic)300m
1A 40mm200m
MSRP
Poseidon Diver (Automatic)$249
1A 40mm$228
Full specifications
Case
4 specsCategory
Diver
—
Thickness
12mm
13mm
Lug-to-Lug
46mm
48mm
Water Resistance
300m
200m
Crystal & Dial
1 specsDial Color
Black
—
Movement
1 specsCaliber
NH35 Warranty
Seiko NH35
Pricing
1 specsMSRP
$249
$228
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