Which is cheaper, the Hamilton Khaki Aviation Converter Auto or the Helgray Speedster (Racing Light Blue)?

At MSRP the Helgray Speedster (Racing Light Blue) is the cheaper of the two at $299, against $1,345 for the Hamilton Khaki Aviation Converter Auto — a $1,046 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Aviation Converter Auto or the Helgray Speedster (Racing Light Blue)?

The Hamilton Khaki Aviation Converter Auto wears larger at 42mm versus 39mm for the Helgray Speedster (Racing Light Blue) — a 3mm difference across the dial.

Which has better water resistance, the Hamilton Khaki Aviation Converter Auto or the Helgray Speedster (Racing Light Blue)?

The Hamilton Khaki Aviation Converter Auto is rated to 100m versus 30m for the Helgray Speedster (Racing Light Blue).

Which has a longer power reserve, the Hamilton Khaki Aviation Converter Auto or the Helgray Speedster (Racing Light Blue)?

The Hamilton Khaki Aviation Converter Auto carries a 80-hour power reserve against 40 hours on the Helgray Speedster (Racing Light Blue).

What movement does the Hamilton Khaki Aviation Converter Auto run compared to the Helgray Speedster (Racing Light Blue)?

Both watches run automatic movements — the Hamilton Khaki Aviation Converter Auto uses the H-10 and the Helgray Speedster (Racing Light Blue) uses the Miyota 6S21.

Side by side

Hamilton Khaki Aviation Converter AutovsHelgray Speedster (Racing Light Blue)

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

Hamilton Khaki Aviation Converter Auto

h76615130

MSRP $1,345

Helgray Speedster (Racing Light Blue)

speedster-racing-light-blue

MSRP $299

At a glance

7 of 29 specs differ

Diameter

Khaki Aviation Converter Auto42mm

Speedster (Racing Light Blue)39mm

Power Reserve

Khaki Aviation Converter Auto80h

Speedster (Racing Light Blue)40h

Water Resistance

Khaki Aviation Converter Auto100m

Speedster (Racing Light Blue)30m

MSRP

Khaki Aviation Converter Auto$1,345

Speedster (Racing Light Blue)$299

Full specifications

Case

4 specs

Movement

2 specs

Caliber

H-10

Miyota 6S21

Power Reserve

80h

40h

Pricing

1 specs

MSRP

$1,345

$299

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