Which is cheaper, the Hamilton Jazzmaster Day Date Auto or the Helgray Poseidon Diver (Automatic)?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $1,045 for the Hamilton Jazzmaster Day Date Auto — a $796 gap before any retailer discounting.

Which has better water resistance, the Hamilton Jazzmaster Day Date Auto or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 50m for the Hamilton Jazzmaster Day Date Auto.

Which has a longer power reserve, the Hamilton Jazzmaster Day Date Auto or the Helgray Poseidon Diver (Automatic)?

The Hamilton Jazzmaster Day Date Auto carries a 80-hour power reserve against 40 hours on the Helgray Poseidon Diver (Automatic).

What movement does the Hamilton Jazzmaster Day Date Auto run compared to the Helgray Poseidon Diver (Automatic)?

Both watches run automatic movements — the Hamilton Jazzmaster Day Date Auto uses the H-40 and the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty.

Side by side

Hamilton Jazzmaster Day Date AutovsHelgray Poseidon Diver (Automatic)

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

Hamilton Jazzmaster Day Date Auto

h32505131

MSRP $1,045

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

6 of 29 specs differ

Diameter

Jazzmaster Day Date Auto40mm

Poseidon Diver (Automatic)40mm

Power Reserve

Jazzmaster Day Date Auto80h

Poseidon Diver (Automatic)40h

Water Resistance

Jazzmaster Day Date Auto50m

Poseidon Diver (Automatic)300m

MSRP

Jazzmaster Day Date Auto$1,045

Poseidon Diver (Automatic)$249

Full specifications

Case

3 specs

Movement

2 specs

Caliber

H-40

NH35 Warranty

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$1,045

$249

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