Which is cheaper, the Sheffield 1A 38 or the Tissot Seastar 1000?

At MSRP the Sheffield 1A 38 is the cheaper of the two at $238, against $875 for the Tissot Seastar 1000 — a $637 gap before any retailer discounting.

Which is bigger, the Sheffield 1A 38 or the Tissot Seastar 1000?

The Tissot Seastar 1000 wears larger at 40mm versus 38mm for the Sheffield 1A 38 — a 2mm difference across the dial.

Which has better water resistance, the Sheffield 1A 38 or the Tissot Seastar 1000?

The Tissot Seastar 1000 is rated to 300m versus 200m for the Sheffield 1A 38.

What movement does the Sheffield 1A 38 run compared to the Tissot Seastar 1000?

Both watches run automatic movements — the Sheffield 1A 38 uses the Seiko NH35 and the Tissot Seastar 1000 uses the Powermatic 80.

Side by side

Sheffield 1A 38vsTissot Seastar 1000

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

Add a watch

Sheffield 1A 38

1a-38-blue

MSRP $238

Tissot Seastar 1000

t1208071105100

MSRP $875

At a glance

11 of 29 specs differ

Diameter

1A 3838mm

Seastar 100040mm

Power Reserve

1A 38—

Seastar 100080h

Water Resistance

1A 38200m

Seastar 1000300m

MSRP

1A 38$238

Seastar 1000$875

Full specifications

Case

4 specs

Diameter

38mm

40mm

Thickness

12.8mm

12.48mm

Lug-to-Lug

46mm

40mm

Water Resistance

200m

300m

Crystal & Dial

4 specs

AR Coating

Inner

Yes

Dial Color

Blue

Graded grey-black

Indices

Applied

Indexes

Lume

None

Super-LumiNova ®

Movement

2 specs

Caliber

Seiko NH35

Powermatic 80

Power Reserve

—

80h

Pricing

1 specs

MSRP

$238

$875

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Sheffield 1A 38vsTissot Seastar 1000

At a glance

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