Which is cheaper, the Seiko Prospex Sea or the Oblvlo ZM Skeleton?

At MSRP the Oblvlo ZM Skeleton is the cheaper of the two at $285, against $1,100 for the Seiko Prospex Sea — a $815 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Sea or the Oblvlo ZM Skeleton?

The Oblvlo ZM Skeleton wears larger at 46mm versus 41.3mm for the Seiko Prospex Sea — a 4.7mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea or the Oblvlo ZM Skeleton?

The Seiko Prospex Sea is rated to 300m versus 50m for the Oblvlo ZM Skeleton.

Which has a longer power reserve, the Seiko Prospex Sea or the Oblvlo ZM Skeleton?

The Seiko Prospex Sea carries a 72-hour power reserve against 42 hours on the Oblvlo ZM Skeleton.

What movement does the Seiko Prospex Sea run compared to the Oblvlo ZM Skeleton?

Both watches run automatic movements — the Seiko Prospex Sea uses the 6R55 and the Oblvlo ZM Skeleton uses the Miyota 82S0.

Side by side

Seiko Prospex SeavsOblvlo ZM Skeleton

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

Seiko Prospex Sea

spb481j1

MSRP $1,100

Oblvlo ZM Skeleton

ZM-NZ

MSRP $285

At a glance

12 of 29 specs differ

Diameter

Prospex Sea41.3mm

ZM Skeleton46mm

Power Reserve

Prospex Sea72h

ZM Skeleton42h

Water Resistance

Prospex Sea300m

ZM Skeleton50m

MSRP

Prospex Sea$1,100

ZM Skeleton$285

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Anti-reflective coating on inner surface

Inner

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

6R55

Miyota 82S0

Power Reserve

72h

42h

Jewels

Pricing

1 specs

MSRP

$1,100

$285

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Seiko Prospex SeavsOblvlo ZM Skeleton

At a glance

Full specifications

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