Which is cheaper, the Helgray Poseidon Diver (Automatic) or the Yema Navygraf Heritage?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $990 for the Yema Navygraf Heritage — a $741 gap before any retailer discounting.

Which is bigger, the Helgray Poseidon Diver (Automatic) or the Yema Navygraf Heritage?

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

Which has better water resistance, the Helgray Poseidon Diver (Automatic) or the Yema Navygraf Heritage?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 100m for the Yema Navygraf Heritage.

What movement does the Helgray Poseidon Diver (Automatic) run compared to the Yema Navygraf Heritage?

Both watches run automatic movements — the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty and the Yema Navygraf Heritage uses the Sellita SW200.

Side by side

Helgray Poseidon Diver (Automatic)vsYema Navygraf Heritage

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 Navygraf Heritage

yema-navygraf-heritage-ynav25-am

MSRP $990

At a glance

7 of 29 specs differ

Diameter

Poseidon Diver (Automatic)40mm

Navygraf Heritage39mm

Power Reserve

Poseidon Diver (Automatic)40h

Navygraf Heritage40h

Water Resistance

Poseidon Diver (Automatic)300m

Navygraf Heritage100m

MSRP

Poseidon Diver (Automatic)$249

Navygraf Heritage$990

Full specifications

Case

5 specs

Diameter

40mm

39mm

Thickness

12mm

10.85mm

Lug Width

20mm

19mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

300m

100m

Movement

1 specs

Caliber

NH35 Warranty

Sellita SW200

Pricing

1 specs

MSRP

$249

$990

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