Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Tissot PRX UFO Robot Grendizer 50th Anniversary?

At MSRP the Tissot PRX UFO Robot Grendizer 50th Anniversary is the cheaper of the two at $1,100, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $905 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Tissot PRX UFO Robot Grendizer 50th Anniversary?

The Tissot PRX UFO Robot Grendizer 50th Anniversary wears larger at 40mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 1mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Tissot PRX UFO Robot Grendizer 50th Anniversary?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 100m for the Tissot PRX UFO Robot Grendizer 50th Anniversary.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Tissot PRX UFO Robot Grendizer 50th Anniversary?

The Tissot PRX UFO Robot Grendizer 50th Anniversary 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 PRX UFO Robot Grendizer 50th Anniversary?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Tissot PRX UFO Robot Grendizer 50th Anniversary uses the Powermatic 80.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsTissot PRX UFO Robot Grendizer 50th Anniversary

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 PRX UFO Robot Grendizer 50th Anniversary

t1374073305101

MSRP $1,100

At a glance

12 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

PRX UFO Robot Grendizer 50th Anniversary40mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

PRX UFO Robot Grendizer 50th Anniversary80h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

PRX UFO Robot Grendizer 50th Anniversary100m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

PRX UFO Robot Grendizer 50th Anniversary$1,100

Full specifications

Case

6 specs

Crystal & Dial

2 specs

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

$1,100

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