Which is cheaper, the Decima Gatekeeper or the Sheffield 1A?

At MSRP the Sheffield 1A is the cheaper of the two at $223, against $599 for the Decima Gatekeeper — a $376 gap before any retailer discounting.

Which is bigger, the Decima Gatekeeper or the Sheffield 1A?

The Sheffield 1A 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 Sheffield 1A?

The Sheffield 1A is rated to 200m versus 50m for the Decima Gatekeeper.

What movement does the Decima Gatekeeper run compared to the Sheffield 1A?

Both watches run automatic movements — the Decima Gatekeeper uses the Miyota 9039 and the Sheffield 1A uses the Seiko NH35A.

Side by side

Decima GatekeepervsSheffield 1A

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

Sheffield 1A

diver-1a-40mm-white

MSRP $223

At a glance

11 of 29 specs differ

Diameter

Gatekeeper38mm

1A40mm

Power Reserve

Gatekeeper42h

1A—

Water Resistance

Gatekeeper50m

1A200m

MSRP

Gatekeeper$599

1A$223

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

White

White/Blue

Lume

None

Swiss blue lume

Movement

2 specs

Caliber

Miyota 9039

Seiko NH35A

Power Reserve

42h

—

Pricing

1 specs

MSRP

$599

$223

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Decima GatekeepervsSheffield 1A

At a glance

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