Which is cheaper, the Sheffield 1A 40mm or the Tissot PRX?

At MSRP the Sheffield 1A 40mm is the cheaper of the two at $228, against $2,150 for the Tissot PRX — a $1,922 gap before any retailer discounting.

Which is bigger, the Sheffield 1A 40mm or the Tissot PRX?

The Tissot PRX wears larger at 42mm versus 40mm for the Sheffield 1A 40mm — a 2mm difference across the dial.

Which has better water resistance, the Sheffield 1A 40mm or the Tissot PRX?

The Sheffield 1A 40mm is rated to 200m versus 100m for the Tissot PRX.

Which has a longer power reserve, the Sheffield 1A 40mm or the Tissot PRX?

The Tissot PRX carries a 68-hour power reserve against 40 hours on the Sheffield 1A 40mm.

What movement does the Sheffield 1A 40mm run compared to the Tissot PRX?

Both watches run automatic movements — the Sheffield 1A 40mm uses the Seiko NH35 and the Tissot PRX uses the Valjoux A05.H31.

Side by side

Sheffield 1A 40mmvsTissot PRX

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

Tissot PRX

t1374271109100

MSRP $2,150

At a glance

13 of 29 specs differ

Diameter

1A 40mm40mm

PRX42mm

Power Reserve

1A 40mm40h

PRX68h

Water Resistance

1A 40mm200m

PRX100m

MSRP

1A 40mm$228

PRX$2,150

Full specifications

Case

6 specs

Crystal & Dial

4 specs

AR Coating

Inner

Yes

Dial Color

—

Graded green

Indices

Applied

Indexes

Lume

None

Super-LumiNova ®

Movement

2 specs

Caliber

Seiko NH35

Valjoux A05.H31

Power Reserve

40h

68h

Pricing

1 specs

MSRP

$228

$2,150

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Sheffield 1A 40mmvsTissot PRX

At a glance

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