Which is cheaper, the Hamilton Khaki Aviation Khaki Pilot GMT Auto or the Helgray Poseidon Diver (Automatic)?

At MSRP the Helgray Poseidon Diver (Automatic) is the cheaper of the two at $249, against $1,575 for the Hamilton Khaki Aviation Khaki Pilot GMT Auto — a $1,326 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Aviation Khaki Pilot GMT Auto or the Helgray Poseidon Diver (Automatic)?

The Hamilton Khaki Aviation Khaki Pilot GMT Auto wears larger at 44mm versus 40mm for the Helgray Poseidon Diver (Automatic) — a 4mm difference across the dial.

Which has better water resistance, the Hamilton Khaki Aviation Khaki Pilot GMT Auto or the Helgray Poseidon Diver (Automatic)?

The Helgray Poseidon Diver (Automatic) is rated to 300m versus 100m for the Hamilton Khaki Aviation Khaki Pilot GMT Auto.

Which has a longer power reserve, the Hamilton Khaki Aviation Khaki Pilot GMT Auto or the Helgray Poseidon Diver (Automatic)?

The Hamilton Khaki Aviation Khaki Pilot GMT Auto carries a 50-hour power reserve against 40 hours on the Helgray Poseidon Diver (Automatic).

What movement does the Hamilton Khaki Aviation Khaki Pilot GMT Auto run compared to the Helgray Poseidon Diver (Automatic)?

Both watches run automatic movements — the Hamilton Khaki Aviation Khaki Pilot GMT Auto uses the 2893-2 and the Helgray Poseidon Diver (Automatic) uses the NH35 Warranty.

Side by side

Hamilton Khaki Aviation Khaki Pilot GMT AutovsHelgray Poseidon Diver (Automatic)

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

Hamilton Khaki Aviation Khaki Pilot GMT Auto

h76755135

MSRP $1,575

Helgray Poseidon Diver (Automatic)

poseidon-diver-automatic

MSRP $249

At a glance

8 of 29 specs differ

Diameter

Khaki Aviation Khaki Pilot GMT Auto44mm

Poseidon Diver (Automatic)40mm

Power Reserve

Khaki Aviation Khaki Pilot GMT Auto50h

Poseidon Diver (Automatic)40h

Water Resistance

Khaki Aviation Khaki Pilot GMT Auto100m

Poseidon Diver (Automatic)300m

MSRP

Khaki Aviation Khaki Pilot GMT Auto$1,575

Poseidon Diver (Automatic)$249

Full specifications

Case

5 specs

Movement

2 specs

Caliber

2893-2

NH35 Warranty

Power Reserve

50h

40h

Pricing

1 specs

MSRP

$1,575

$249

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