Which is cheaper, the Decima Gatekeeper or the Hamilton Jazzmaster Slim Auto?

At MSRP the Decima Gatekeeper is the cheaper of the two at $599, against $825 for the Hamilton Jazzmaster Slim Auto — a $226 gap before any retailer discounting.

Which is bigger, the Decima Gatekeeper or the Hamilton Jazzmaster Slim Auto?

The Hamilton Jazzmaster Slim Auto wears larger at 40mm versus 38mm for the Decima Gatekeeper — a 2mm difference across the dial.

Which has better water resistance, the Decima Gatekeeper or the Hamilton Jazzmaster Slim Auto?

The Decima Gatekeeper is rated to 50m versus 30m for the Hamilton Jazzmaster Slim Auto.

Which has a longer power reserve, the Decima Gatekeeper or the Hamilton Jazzmaster Slim Auto?

The Hamilton Jazzmaster Slim Auto carries a 50-hour power reserve against 42 hours on the Decima Gatekeeper.

What movement does the Decima Gatekeeper run compared to the Hamilton Jazzmaster Slim Auto?

Both watches run automatic movements — the Decima Gatekeeper uses the Miyota 9039 and the Hamilton Jazzmaster Slim Auto uses the No caliber.

Side by side

Decima GatekeepervsHamilton Jazzmaster Slim Auto

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

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Decima Gatekeeper

gatekeeper-white

MSRP $599

Hamilton Jazzmaster Slim Auto

h38515735

MSRP $825

At a glance

10 of 29 specs differ

Diameter

Gatekeeper38mm

Jazzmaster Slim Auto40mm

Power Reserve

Gatekeeper42h

Jazzmaster Slim Auto50h

Water Resistance

Gatekeeper50m

Jazzmaster Slim Auto30m

MSRP

Gatekeeper$599

Jazzmaster Slim Auto$825

Full specifications

Case

5 specs

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Dial Color

White

Black

Movement

2 specs

Caliber

Miyota 9039

No caliber

Power Reserve

42h

50h

Pricing

1 specs

MSRP

$599

$825

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Decima GatekeepervsHamilton Jazzmaster Slim Auto

At a glance

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