Which is cheaper, the Helgray Poseidon Diver (Automatic) or the Yema Wristmaster Slim CMM.20?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $2,117 for the Yema Wristmaster Slim CMM.20 — a $1,868 gap before any retailer discounting.

Which is bigger, the Helgray Poseidon Diver (Automatic) or the Yema Wristmaster Slim CMM.20?

The Helgray Poseidon Diver (Automatic) wears larger at 40mm versus 39mm for the Yema Wristmaster Slim CMM.20 — a 1mm difference across the dial.

Which has better water resistance, the Helgray Poseidon Diver (Automatic) or the Yema Wristmaster Slim CMM.20?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 100m for the Yema Wristmaster Slim CMM.20.

What movement does the Helgray Poseidon Diver (Automatic) run compared to the Yema Wristmaster Slim CMM.20?

Both watches run automatic movements — the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty and the Yema Wristmaster Slim CMM.20 uses the Yema CMM.20.

Side by side

Helgray Poseidon Diver (Automatic)vsYema Wristmaster Slim CMM.20

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

Yema Wristmaster Slim CMM.20

yema-wristmaster-slim-cmm-20-76-24-03-sn-m

MSRP $2,117

At a glance

9 of 29 specs differ

Diameter

Poseidon Diver (Automatic)40mm

Wristmaster Slim CMM.2039mm

Power Reserve

Poseidon Diver (Automatic)40h

Wristmaster Slim CMM.2040h

Water Resistance

Poseidon Diver (Automatic)300m

Wristmaster Slim CMM.20100m

MSRP

Poseidon Diver (Automatic)$249

Wristmaster Slim CMM.20$2,117

Full specifications

Case

7 specs

Movement

1 specs

Caliber

NH35 Warranty

Yema CMM.20

Pricing

1 specs

MSRP

$249

$2,117

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