What movement does the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition run compared to the Spinnaker Piccard Skeleton?

Both watches run automatic movements — the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition uses the 8L35 and the Spinnaker Piccard Skeleton uses the SII NH38A.

Side by side

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionvsSpinnaker Piccard Skeleton

Q: Which is cheaper, the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition or the Spinnaker Piccard Skeleton?

At MSRP the Spinnaker Piccard Skeleton is the cheaper of the two at $550, against $3,300 for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition — a $2,750 gap before any retailer discounting.

Q: Which is bigger, the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition or the Spinnaker Piccard Skeleton?

The Spinnaker Piccard Skeleton wears larger at 45mm versus 44mm for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition — a 1mm difference across the dial.

Q: Which has better water resistance, the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition or the Spinnaker Piccard Skeleton?

The Spinnaker Piccard Skeleton is rated to 550m versus 200m for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition.

Q: Which has a longer power reserve, the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition or the Spinnaker Piccard Skeleton?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition carries a 50-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 Sea 1970 Heritage Diver's Black Series Limited Edition

sla061j1

MSRP $3,300

Spinnaker Piccard Skeleton

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

MSRP $550

At a glance

13 of 29 specs differ

Diameter

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm

Piccard Skeleton45mm

Power Reserve

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h

Piccard Skeleton40h

Water Resistance

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m

Piccard Skeleton550m

MSRP

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Piccard Skeleton$550

Full specifications

Case

6 specs

Diameter

44mm

45mm

Thickness

13mm

21mm

Lug-to-Lug

49.3mm

52mm

Lug Width

20mm

22mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

200m

550m

Crystal & Dial

3 specs

Crystal Shape

Curved

Flat

AR Coating

Anti-reflective coating on inner surface

Inner

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

8L35

SII NH38A

Power Reserve

50h

40h

Jewels

Pricing

1 specs

MSRP

$3,300

$550

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