Which is cheaper, the Hamilton Jazzmaster Auto Chrono or the Helgray Speedster (Silver Panda)?

At MSRP the Helgray Speedster (Silver Panda) is the cheaper of the two at $299, against $1,845 for the Hamilton Jazzmaster Auto Chrono — a $1,546 gap before any retailer discounting.

Which is bigger, the Hamilton Jazzmaster Auto Chrono or the Helgray Speedster (Silver Panda)?

The Hamilton Jazzmaster Auto Chrono wears larger at 42mm versus 39mm for the Helgray Speedster (Silver Panda) — a 3mm difference across the dial.

Which has better water resistance, the Hamilton Jazzmaster Auto Chrono or the Helgray Speedster (Silver Panda)?

The Hamilton Jazzmaster Auto Chrono is rated to 100m versus 30m for the Helgray Speedster (Silver Panda).

Which has a longer power reserve, the Hamilton Jazzmaster Auto Chrono or the Helgray Speedster (Silver Panda)?

The Hamilton Jazzmaster Auto Chrono carries a 60-hour power reserve against 40 hours on the Helgray Speedster (Silver Panda).

What movement does the Hamilton Jazzmaster Auto Chrono run compared to the Helgray Speedster (Silver Panda)?

Both watches run automatic movements — the Hamilton Jazzmaster Auto Chrono uses the H-31 and the Helgray Speedster (Silver Panda) uses the Miyota 6S21.

Side by side

Hamilton Jazzmaster Auto ChronovsHelgray Speedster (Silver Panda)

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

Hamilton Jazzmaster Auto Chrono

h32606735

MSRP $1,845

Helgray Speedster (Silver Panda)

speedster-silver-panda

MSRP $299

At a glance

7 of 29 specs differ

Diameter

Jazzmaster Auto Chrono42mm

Speedster (Silver Panda)39mm

Power Reserve

Jazzmaster Auto Chrono60h

Speedster (Silver Panda)40h

Water Resistance

Jazzmaster Auto Chrono100m

Speedster (Silver Panda)30m

MSRP

Jazzmaster Auto Chrono$1,845

Speedster (Silver Panda)$299

Full specifications

Case

4 specs

Diameter

42mm

39mm

Thickness

14.83mm

12mm

Lug Width

22mm

20mm

Water Resistance

100m

30m

Movement

2 specs

Caliber

H-31

Miyota 6S21

Power Reserve

60h

40h

Pricing

1 specs

MSRP

$1,845

$299

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