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

At MSRP the Sheffield 1A is the cheaper of the two at $223, against $2,150 for the Tissot PRX — a $1,927 gap before any retailer discounting.

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

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

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

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

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

Both watches run automatic movements — the Sheffield 1A uses the Seiko NH35A and the Tissot PRX uses the Valjoux A05.H31.

Side by side

Sheffield 1AvsTissot PRX

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

Tissot PRX

t1374271101100

MSRP $2,150

At a glance

13 of 29 specs differ

Diameter

1A40mm

PRX42mm

Power Reserve

1A—

PRX60h

Water Resistance

1A200m

PRX100m

MSRP

1A$223

PRX$2,150

Full specifications

Case

6 specs

Crystal & Dial

4 specs

AR Coating

Inner

Yes

Dial Color

White/Blue

White

Indices

Applied

Indexes

Lume

Swiss blue lume

Super-LumiNova ®

Movement

2 specs

Caliber

Seiko NH35A

Valjoux A05.H31

Power Reserve

—

60h

Pricing

1 specs

MSRP

$223

$2,150

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Sheffield 1AvsTissot PRX

At a glance

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