Which is cheaper, the Seiko Prospex Sea or the Spinnaker Piccard Skeleton?

At MSRP the Spinnaker Piccard Skeleton is the cheaper of the two at $550, against $900 for the Seiko Prospex Sea — a $350 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Sea or the Spinnaker Piccard Skeleton?

The Spinnaker Piccard Skeleton wears larger at 45mm versus 41mm for the Seiko Prospex Sea — a 4mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea or the Spinnaker Piccard Skeleton?

The Spinnaker Piccard Skeleton is rated to 550m versus 200m for the Seiko Prospex Sea.

Which has a longer power reserve, the Seiko Prospex Sea or the Spinnaker Piccard Skeleton?

The Seiko Prospex Sea carries a 70-hour power reserve against 40 hours on the Spinnaker Piccard Skeleton.

What movement does the Seiko Prospex Sea run compared to the Spinnaker Piccard Skeleton?

Both watches run automatic movements — the Seiko Prospex Sea uses the 6R35 and the Spinnaker Piccard Skeleton uses the SII NH38A.

Side by side

Seiko Prospex SeavsSpinnaker Piccard Skeleton

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

Seiko Prospex Sea

spb317j1

MSRP $900

Spinnaker Piccard Skeleton

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

MSRP $550

At a glance

13 of 29 specs differ

Diameter

Prospex Sea41mm

Piccard Skeleton45mm

Power Reserve

Prospex Sea70h

Piccard Skeleton40h

Water Resistance

Prospex Sea200m

Piccard Skeleton550m

MSRP

Prospex Sea$900

Piccard Skeleton$550

Full specifications

Case

6 specs

Diameter

41mm

45mm

Thickness

12.3mm

21mm

Lug-to-Lug

46.9mm

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

6R35

SII NH38A

Power Reserve

70h

40h

Jewels

Pricing

1 specs

MSRP

$900

$550

Follow this matchup

Get a note when Seiko Prospex Sea vs Spinnaker Piccard Skeleton gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Drydenmicro

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Dryden PathfindervsSpinnaker Piccard Skeleton Spinnaker Piccard SkeletonvsWolbrook Skindiver II Professional Spinnaker Piccard SkeletonvsZelos Spearfish 3 Spinnaker Piccard SkeletonvsZelos Swordfish 3 Seiko Prospex SeavsYema Superman Tourbillon CMM.31 Limited Edition Marathon JDD (Jumbo Day/Date) Anthracite Diver's AutomaticvsSeiko Prospex Sea

Edit this comparison Add another watch More diver comparisons Best Diver Watches Under $1,000 Explore more 40–46mm watches

Seiko Prospex SeavsSpinnaker Piccard Skeleton

At a glance

Full specifications

Follow this matchup

More watches worth a look

Pathfinder

Superman Tourbillon CMM.31 Limited Edition

Skindiver II Professional

JDD (Jumbo Day/Date) Anthracite Diver's Automatic

Spearfish 3

Neptune 44

Swordfish 3

Croft 42 Skeleton

People also compared