Side by side
Helgray Poseidon Diver (Automatic)vsSheffield 1A 38
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 3838mm
Power Reserve
Poseidon Diver (Automatic)40h
1A 38—
Water Resistance
Poseidon Diver (Automatic)300m
1A 38200m
MSRP
Poseidon Diver (Automatic)$249
1A 38$238
Full specifications
Case
3 specsDiameter
40mm
38mm
Thickness
12mm
12.8mm
Water Resistance
300m
200m
Crystal & Dial
1 specsDial Color
Black
Blue
Movement
2 specsCaliber
NH35 Warranty
Seiko NH35
Power Reserve
40h
—
Pricing
1 specsMSRP
$249
$238
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