Which is cheaper, the Oblvlo JM Space or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

At MSRP the Oblvlo JM Space is the cheaper of the two at $315, against $3,300 for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition — a $2,985 gap before any retailer discounting.

Which is bigger, the Oblvlo JM Space or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition wears larger at 44mm versus 42mm for the Oblvlo JM Space — a 2mm difference across the dial.

Which has better water resistance, the Oblvlo JM Space or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition is rated to 200m versus 50m for the Oblvlo JM Space.

Which has a longer power reserve, the Oblvlo JM Space or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition carries a 50-hour power reserve against 40 hours on the Oblvlo JM Space.

Side by side

Oblvlo JM SpacevsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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

Oblvlo JM Space

JM-SPACE

MSRP $315

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

sla061j1

MSRP $3,300

At a glance

13 of 29 specs differ

Diameter

JM Space42mm

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm

Power Reserve

JM Space40h

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h

Water Resistance

JM Space50m

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m

MSRP

JM Space$315

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

Super-LumiNova

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

—

8L35

Power Reserve

40h

50h

Jewels

Pricing

1 specs

MSRP

$315

$3,300

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