Which is cheaper, the Sheffield 1A 40mm or the Seiko Essentials Automatic?

At MSRP the Sheffield 1A 40mm is the cheaper of the two at $228, against $315 for the Seiko Essentials Automatic — a $87 gap before any retailer discounting.

Which is bigger, the Sheffield 1A 40mm or the Seiko Essentials Automatic?

The Seiko Essentials Automatic wears larger at 41.2mm versus 40mm for the Sheffield 1A 40mm — a 1.2mm difference across the dial.

Which has better water resistance, the Sheffield 1A 40mm or the Seiko Essentials Automatic?

The Sheffield 1A 40mm is rated to 200m versus 10m for the Seiko Essentials Automatic.

Which has a longer power reserve, the Sheffield 1A 40mm or the Seiko Essentials Automatic?

The Seiko Essentials Automatic carries a 41-hour power reserve against 40 hours on the Sheffield 1A 40mm.

What movement does the Sheffield 1A 40mm run compared to the Seiko Essentials Automatic?

Both watches run automatic movements — the Sheffield 1A 40mm uses the Seiko NH35 and the Seiko Essentials Automatic uses the 4R35.

Side by side

Sheffield 1A 40mmvsSeiko Essentials Automatic

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

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Sheffield 1A 40mm

allsport-1-auto

MSRP $228

See the full 1A 40mm

Seiko Essentials Automatic

srph87

MSRP $315

See the full Essentials Automatic

At a glance

11 of 29 specs differ

Diameter

1A 40mm40mm

Essentials Automatic41.2mm

Power Reserve

1A 40mm40h

Essentials Automatic41h

Water Resistance

1A 40mm200m

Essentials Automatic100m

MSRP

1A 40mm$228

Essentials Automatic$315

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Hardlex

Dial Color

—

Black

Movement

3 specs

Caliber

Seiko NH35

4R35

Power Reserve

40h

41h

Jewels

Pricing

1 specs

MSRP

$228

$315

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Sheffield 1A 40mmvsSeiko Essentials Automatic

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