Which is cheaper, the Sheffield 1A or the Seiko Presage Classic Series?

At MSRP the Sheffield 1A is the cheaper of the two at $223, against $950 for the Seiko Presage Classic Series — a $727 gap before any retailer discounting.

Which is bigger, the Sheffield 1A or the Seiko Presage Classic Series?

The Sheffield 1A wears larger at 40mm versus 36mm for the Seiko Presage Classic Series — a 4mm difference across the dial.

Which has better water resistance, the Sheffield 1A or the Seiko Presage Classic Series?

The Sheffield 1A is rated to 200m versus 10m for the Seiko Presage Classic Series.

What movement does the Sheffield 1A run compared to the Seiko Presage Classic Series?

Both watches run automatic movements — the Sheffield 1A uses the Seiko NH35A and the Seiko Presage Classic Series uses the 6R51.

Side by side

Sheffield 1AvsSeiko Presage Classic Series

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

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Sheffield 1A

diver-1a-40mm-white

MSRP $223

Seiko Presage Classic Series

spb521j1

MSRP $950

At a glance

14 of 29 specs differ

Diameter

1A40mm

Presage Classic Series36mm

Power Reserve

1A—

Presage Classic Series72h

Water Resistance

1A200m

Presage Classic Series100m

MSRP

1A$223

Presage Classic Series$950

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

White/Blue

Black

Lume

Swiss blue lume

None

Movement

3 specs

Caliber

Seiko NH35A

6R51

Power Reserve

—

72h

Jewels

Pricing

1 specs

MSRP

$223

$950

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Sheffield 1AvsSeiko Presage Classic Series

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