Which is cheaper, the Hamilton Jazzmaster Performer Auto chrono or the Hemel Sky Racer Mechanical?

At MSRP the Hemel Sky Racer Mechanical is the cheaper of the two at $550, against $2,645 for the Hamilton Jazzmaster Performer Auto chrono — a $2,095 gap before any retailer discounting.

Which is bigger, the Hamilton Jazzmaster Performer Auto chrono or the Hemel Sky Racer Mechanical?

The Hemel Sky Racer Mechanical wears larger at 43mm versus 42mm for the Hamilton Jazzmaster Performer Auto chrono — a 1mm difference across the dial.

Which has better water resistance, the Hamilton Jazzmaster Performer Auto chrono or the Hemel Sky Racer Mechanical?

The Hamilton Jazzmaster Performer Auto chrono is rated to 100m versus 50m for the Hemel Sky Racer Mechanical.

Which has a longer power reserve, the Hamilton Jazzmaster Performer Auto chrono or the Hemel Sky Racer Mechanical?

The Hamilton Jazzmaster Performer Auto chrono carries a 60-hour power reserve against 40 hours on the Hemel Sky Racer Mechanical.

What movement does the Hamilton Jazzmaster Performer Auto chrono run compared to the Hemel Sky Racer Mechanical?

The Hamilton Jazzmaster Performer Auto chrono runs a automatic caliber (H-31), while the Hemel Sky Racer Mechanical runs a manual (Seagull ST19).

Side by side

Hamilton Jazzmaster Performer Auto chronovsHemel Sky Racer Mechanical

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

Hamilton Jazzmaster Performer Auto chrono

h36606110

MSRP $2,645

Hemel Sky Racer Mechanical

HF37MNB

MSRP $550

At a glance

12 of 29 specs differ

Diameter

Jazzmaster Performer Auto chrono42mm

Sky Racer Mechanical43mm

Power Reserve

Jazzmaster Performer Auto chrono60h

Sky Racer Mechanical40h

Water Resistance

Jazzmaster Performer Auto chrono100m

Sky Racer Mechanical50m

MSRP

Jazzmaster Performer Auto chrono$2,645

Sky Racer Mechanical$550

Full specifications

Case

6 specs

Diameter

42mm

43mm

Thickness

15.22mm

14mm

Lug-to-Lug

46mm

49mm

Lug Width

22mm

20mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

100m

50m

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

White

Black

Movement

3 specs

Caliber

H-31

Seagull ST19

Type

Automatic

Manual

Power Reserve

60h

40h

Pricing

1 specs

MSRP

$2,645

$550

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