Which is bigger, the Sheffield SUPERPRODUCTION or the Spinnaker Bradner GMT?

The Spinnaker Bradner GMT wears larger at 42mm versus 40mm for the Sheffield SUPERPRODUCTION — a 2mm difference across the dial.

Which has better water resistance, the Sheffield SUPERPRODUCTION or the Spinnaker Bradner GMT?

The Sheffield SUPERPRODUCTION is rated to 200m versus 180m for the Spinnaker Bradner GMT.

Which has a longer power reserve, the Sheffield SUPERPRODUCTION or the Spinnaker Bradner GMT?

The Spinnaker Bradner GMT carries a 40-hour power reserve against 38 hours on the Sheffield SUPERPRODUCTION.

What movement does the Sheffield SUPERPRODUCTION run compared to the Spinnaker Bradner GMT?

Both watches run automatic movements — the Sheffield SUPERPRODUCTION uses the Sellita SW200-1 and the Spinnaker Bradner GMT uses the Seiko NH34A.

Side by side

Sheffield SUPERPRODUCTIONvsSpinnaker Bradner GMT

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

Add a watch

Sheffield SUPERPRODUCTION

superproduction

Spinnaker Bradner GMT

bradner-gmt-automatic-abbott-brown-sp-5121-22

MSRP $299

At a glance

12 of 29 specs differ

Diameter

SUPERPRODUCTION40mm

Bradner GMT42mm

Power Reserve

SUPERPRODUCTION38h

Bradner GMT40h

Water Resistance

SUPERPRODUCTION200m

Bradner GMT180m

MSRP

SUPERPRODUCTION—

Bradner GMT$299

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Dial Color

Blue Graphite

Brown

Lume

Swiss Lume

None

Movement

2 specs

Caliber

Sellita SW200-1

Seiko NH34A

Power Reserve

38h

40h

Pricing

1 specs

MSRP

—

$299

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Sheffield SUPERPRODUCTIONvsSpinnaker Bradner GMT

At a glance

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