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 $1,500 for the Seiko Prospex Sea — a $950 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 43.5mm for the Seiko Prospex Sea — a 1.5mm 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

spb349j1

MSRP $1,500

Spinnaker Piccard Skeleton

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

MSRP $550

At a glance

11 of 29 specs differ

Diameter

Prospex Sea43.5mm

Piccard Skeleton45mm

Power Reserve

Prospex Sea70h

Piccard Skeleton40h

Water Resistance

Prospex Sea200m

Piccard Skeleton550m

MSRP

Prospex Sea$1,500

Piccard Skeleton$550

Full specifications

Case

5 specs

Diameter

43.5mm

45mm

Thickness

13.3mm

21mm

Lug-to-Lug

51mm

52mm

Material

Titanium

316L Stainless Steel

Water Resistance

200m

550m

Crystal & Dial

2 specs

AR Coating

Anti-reflective coating on inner surface

Inner

Lume

LumiBrite on hands and index(es)

None

Movement

3 specs

Caliber

6R35

SII NH38A

Power Reserve

70h

40h

Jewels

Pricing

1 specs

MSRP

$1,500

$550

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Seiko Prospex SeavsSpinnaker Piccard Skeleton

At a glance

Full specifications

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