Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Tissot Seastar 1000 Powermatic 80 GMT?

At MSRP the Tissot Seastar 1000 Powermatic 80 GMT is the cheaper of the two at $1,375, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $630 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Tissot Seastar 1000 Powermatic 80 GMT?

The Tissot Seastar 1000 Powermatic 80 GMT wears larger at 46mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 7mm difference across the dial.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Tissot Seastar 1000 Powermatic 80 GMT?

The Tissot Seastar 1000 Powermatic 80 GMT carries a 80-hour power reserve against 42 hours on the Serica Ref. 5330 Diving Chronometer Date.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Tissot Seastar 1000 Powermatic 80 GMT?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Tissot Seastar 1000 Powermatic 80 GMT uses the Powermatic 80.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsTissot Seastar 1000 Powermatic 80 GMT

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

Serica Ref. 5330 Diving Chronometer Date

5330-chronometre-plongee-date

MSRP $2,005

Tissot Seastar 1000 Powermatic 80 GMT

t1204291105101

MSRP $1,375

At a glance

12 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Seastar 1000 Powermatic 80 GMT46mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Seastar 1000 Powermatic 80 GMT80h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Seastar 1000 Powermatic 80 GMT300m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Seastar 1000 Powermatic 80 GMT$1,375

Full specifications

Case

5 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Domed

Indices

Applied

Indexes

Lume

Super-LumiNova

Super-LumiNova ®

Movement

3 specs

Caliber

SoProd M100

Powermatic 80

Power Reserve

42h

80h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$1,375

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