What movement does the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition run compared to the Spinnaker Piccard Skeleton?

Both watches run automatic movements — the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition uses the 6R55 and the Spinnaker Piccard Skeleton uses the SII NH38A.

Side by side

Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited EditionvsSpinnaker Piccard Skeleton

Q: Which is cheaper, the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition or the Spinnaker Piccard Skeleton?

At MSRP the Spinnaker Piccard Skeleton is the cheaper of the two at $550, against $1,150 for the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition — a $600 gap before any retailer discounting.

Q: Which is bigger, the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition or the Spinnaker Piccard Skeleton?

The Spinnaker Piccard Skeleton wears larger at 45mm versus 39.5mm for the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition — a 5.5mm difference across the dial.

Q: Which has better water resistance, the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition or the Spinnaker Piccard Skeleton?

The Spinnaker Piccard Skeleton is rated to 550m versus 20m for the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition.

Q: Which has a longer power reserve, the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition or the Spinnaker Piccard Skeleton?

The Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition carries a 72-hour power reserve against 40 hours on the Spinnaker Piccard Skeleton.

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

Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

spb517j1

MSRP $1,150

Spinnaker Piccard Skeleton

piccard-skeleton-automatic-dust-black-sp-5135-11

MSRP $550

At a glance

14 of 29 specs differ

Diameter

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition39.5mm

Piccard Skeleton45mm

Power Reserve

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition72h

Piccard Skeleton40h

Water Resistance

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition200m

Piccard Skeleton550m

MSRP

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition$1,150

Piccard Skeleton$550

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal Shape

Curved

Flat

AR Coating

Anti-reflective coating on inner surface

Inner

Lume

LumiBrite on hands and index(es)

None

Movement

3 specs

Caliber

6R55

SII NH38A

Power Reserve

72h

40h

Jewels

Pricing

1 specs

MSRP

$1,150

$550

Follow this matchup

Get a note when Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition vs Spinnaker Piccard Skeleton gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring