Which is cheaper, the Praesidus 42mm Automatic or the Tissot PRX UFO Robot Grendizer 50th Anniversary?

At MSRP the Praesidus 42mm Automatic is the cheaper of the two at $680, against $1,100 for the Tissot PRX UFO Robot Grendizer 50th Anniversary — a $420 gap before any retailer discounting.

Which is bigger, the Praesidus 42mm Automatic or the Tissot PRX UFO Robot Grendizer 50th Anniversary?

The Tissot PRX UFO Robot Grendizer 50th Anniversary wears larger at 40mm versus 38mm for the Praesidus 42mm Automatic — a 2mm difference across the dial.

Which has a longer power reserve, the Praesidus 42mm Automatic or the Tissot PRX UFO Robot Grendizer 50th Anniversary?

The Tissot PRX UFO Robot Grendizer 50th Anniversary carries a 80-hour power reserve against 40 hours on the Praesidus 42mm Automatic.

What movement does the Praesidus 42mm Automatic run compared to the Tissot PRX UFO Robot Grendizer 50th Anniversary?

Both watches run automatic movements — the Praesidus 42mm Automatic uses the Seiko NH35 and the Tissot PRX UFO Robot Grendizer 50th Anniversary uses the Powermatic 80.

Side by side

Praesidus 42mm AutomaticvsTissot PRX UFO Robot Grendizer 50th Anniversary

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

Praesidus 42mm Automatic

P-42-HP-GRSG

MSRP $680

Tissot PRX UFO Robot Grendizer 50th Anniversary

t1374073305101

MSRP $1,100

At a glance

13 of 29 specs differ

Diameter

42mm Automatic38mm

PRX UFO Robot Grendizer 50th Anniversary40mm

Power Reserve

42mm Automatic40h

PRX UFO Robot Grendizer 50th Anniversary80h

Water Resistance

42mm Automatic100m

PRX UFO Robot Grendizer 50th Anniversary100m

MSRP

42mm Automatic$680

PRX UFO Robot Grendizer 50th Anniversary$1,100

Full specifications

Case

6 specs

Crystal & Dial

4 specs

AR Coating

Inner

Yes

Dial Color

42mm Automatic

Black

Indices

Applied

Indexes

Lume

None

Super-LumiNova ®

Movement

2 specs

Caliber

Seiko NH35

Powermatic 80

Power Reserve

40h

80h

Pricing

1 specs

MSRP

$680

$1,100

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