Side by side
Helgray Poseidon Diver (Automatic)vsYema Superman Slim CMM.20
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
Superman Slim CMM.2039mm
Power Reserve
Poseidon Diver (Automatic)40h
Superman Slim CMM.2040h
Water Resistance
Poseidon Diver (Automatic)300m
Superman Slim CMM.20300m
MSRP
Poseidon Diver (Automatic)$249
Superman Slim CMM.20$2,372
Full specifications
Case
4 specsDiameter
40mm
39mm
Thickness
12mm
9.95mm
Lug-to-Lug
46mm
—
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
1 specsCrystal
Sapphire
Domed Sapphire
Movement
1 specsCaliber
NH35 Warranty
Yema CMM.20
Pricing
1 specsMSRP
$249
$2,372
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