Which is bigger, the Seiko Prospex Sea Save the Ocean Special Edition or the Oblvlo ZM Skeleton?

The Oblvlo ZM Skeleton wears larger at 46mm versus 45mm for the Seiko Prospex Sea Save the Ocean Special Edition — a 1mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea Save the Ocean Special Edition or the Oblvlo ZM Skeleton?

The Seiko Prospex Sea Save the Ocean Special Edition is rated to 200m versus 50m for the Oblvlo ZM Skeleton.

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

The Oblvlo ZM Skeleton carries a 42-hour power reserve against 41 hours on the Seiko Prospex Sea Save the Ocean Special Edition.

What movement does the Seiko Prospex Sea Save the Ocean Special Edition run compared to the Oblvlo ZM Skeleton?

Both watches run automatic movements — the Seiko Prospex Sea Save the Ocean Special Edition uses the 4R36 and the Oblvlo ZM Skeleton uses the Miyota 82S0.

Side by side

Seiko Prospex Sea Save the Ocean Special EditionvsOblvlo ZM Skeleton

Q: Which is cheaper, the Seiko Prospex Sea Save the Ocean Special Edition or the Oblvlo ZM Skeleton?

At MSRP the Oblvlo ZM Skeleton is the cheaper of the two at $285, against $625 for the Seiko Prospex Sea Save the Ocean Special Edition — a $340 gap before any retailer discounting.

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

Seiko Prospex Sea Save the Ocean Special Edition

srpf77

MSRP $625

Oblvlo ZM Skeleton

ZM-NZ

MSRP $285

At a glance

11 of 29 specs differ

Diameter

Prospex Sea Save the Ocean Special Edition45mm

ZM Skeleton46mm

Power Reserve

Prospex Sea Save the Ocean Special Edition41h

ZM Skeleton42h

Water Resistance

Prospex Sea Save the Ocean Special Edition200m

ZM Skeleton50m

MSRP

Prospex Sea Save the Ocean Special Edition$625

ZM Skeleton$285

Full specifications

Case

5 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

4R36

Miyota 82S0

Power Reserve

41h

42h

Jewels

Pricing

1 specs

MSRP

$625

$285

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