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

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

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

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

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

The Seiko DressKX 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 DressKX?

Both watches run automatic movements — the Sheffield 1A 40mm uses the NH35 and the Seiko DressKX uses the Seiko 4R36.

Side by side

Sheffield 1A 40mmvsSeiko DressKX

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

Seiko DressKX

srpe51

MSRP $315

At a glance

11 of 29 specs differ

Diameter

1A 40mm40mm

DressKX40mm

Power Reserve

1A 40mm40h

DressKX41h

Water Resistance

1A 40mm200m

DressKX100m

MSRP

1A 40mm$228

DressKX$315

Full specifications

Case

4 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Hardlex

Dial Color

—

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

NH35

Seiko 4R36

Power Reserve

40h

41h

Jewels

Pricing

1 specs

MSRP

$228

$315

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Sheffield 1A 40mmvsSeiko DressKX

At a glance

Full specifications

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