Which is cheaper, the Seestern S424 Full Lume Pilot or the Tissot PRX UFO Robot Grendizer 50th Anniversary?

At MSRP the Seestern S424 Full Lume Pilot is the cheaper of the two at $299, against $1,100 for the Tissot PRX UFO Robot Grendizer 50th Anniversary — a $801 gap before any retailer discounting.

Which is bigger, the Seestern S424 Full Lume Pilot 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 Seestern S424 Full Lume Pilot — a 2mm difference across the dial.

Which has better water resistance, the Seestern S424 Full Lume Pilot or the Tissot PRX UFO Robot Grendizer 50th Anniversary?

The Tissot PRX UFO Robot Grendizer 50th Anniversary is rated to 100m versus 50m for the Seestern S424 Full Lume Pilot.

Which has a longer power reserve, the Seestern S424 Full Lume Pilot or the Tissot PRX UFO Robot Grendizer 50th Anniversary?

The Tissot PRX UFO Robot Grendizer 50th Anniversary carries a 80-hour power reserve against 41 hours on the Seestern S424 Full Lume Pilot.

What movement does the Seestern S424 Full Lume Pilot run compared to the Tissot PRX UFO Robot Grendizer 50th Anniversary?

Both watches run automatic movements — the Seestern S424 Full Lume Pilot uses the Seiko NH35A and the Tissot PRX UFO Robot Grendizer 50th Anniversary uses the Powermatic 80.

Side by side

Seestern S424 Full Lume PilotvsTissot PRX UFO Robot Grendizer 50th Anniversary

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

Seestern S424 Full Lume Pilot

S424 V1

MSRP $299

Tissot PRX UFO Robot Grendizer 50th Anniversary

t1374073305101

MSRP $1,100

At a glance

16 of 29 specs differ

Diameter

S424 Full Lume Pilot38mm

PRX UFO Robot Grendizer 50th Anniversary40mm

Power Reserve

S424 Full Lume Pilot41h

PRX UFO Robot Grendizer 50th Anniversary80h

Water Resistance

S424 Full Lume Pilot50m

PRX UFO Robot Grendizer 50th Anniversary100m

MSRP

S424 Full Lume Pilot$299

PRX UFO Robot Grendizer 50th Anniversary$1,100

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Indices

Applied

Indexes

Lume

Full lume

Super-LumiNova ®

Movement

5 specs

Caliber

Seiko NH35A

Powermatic 80

Beat Rate

21,600 vph

28,800 vph

Power Reserve

41h

80h

Jewels

Complications

GMT

None

Pricing

1 specs

MSRP

$299

$1,100

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