Which is bigger, the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch or the Oblvlo ZM Skeleton?

The Oblvlo ZM Skeleton wears larger at 46mm versus 42mm for the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch — a 4mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch or the Oblvlo ZM Skeleton?

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch is rated to 300m versus 50m for the Oblvlo ZM Skeleton.

Which has a longer power reserve, the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch or the Oblvlo ZM Skeleton?

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch carries a 72-hour power reserve against 42 hours on the Oblvlo ZM Skeleton.

What movement does the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch run compared to the Oblvlo ZM Skeleton?

Both watches run automatic movements — the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch uses the 6R54 and the Oblvlo ZM Skeleton uses the Miyota 82S0.

Side by side

Seiko Prospex Sea 1968 Heritage Diver's GMT WatchvsOblvlo ZM Skeleton

Q: Which is cheaper, the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch or the Oblvlo ZM Skeleton?

At MSRP the Oblvlo ZM Skeleton is the cheaper of the two at $285, against $1,700 for the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch — a $1,415 gap before any retailer discounting.

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

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch

spb519j1

MSRP $1,700

Oblvlo ZM Skeleton

ZM-NZ

MSRP $285

At a glance

12 of 29 specs differ

Diameter

Prospex Sea 1968 Heritage Diver's GMT Watch42mm

ZM Skeleton46mm

Power Reserve

Prospex Sea 1968 Heritage Diver's GMT Watch72h

ZM Skeleton42h

Water Resistance

Prospex Sea 1968 Heritage Diver's GMT Watch300m

ZM Skeleton50m

MSRP

Prospex Sea 1968 Heritage Diver's GMT Watch$1,700

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

6R54

Miyota 82S0

Power Reserve

72h

42h

Jewels

Pricing

1 specs

MSRP

$1,700

$285

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