Which is cheaper, the CIGA Design BLACK STAR or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

At MSRP the CIGA Design BLACK STAR is the cheaper of the two at $1,980, against $3,300 for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition — a $1,320 gap before any retailer discounting.

Which is bigger, the CIGA Design BLACK STAR or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

The CIGA Design BLACK STAR wears larger at 46mm versus 44mm for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition — a 2mm difference across the dial.

Which has better water resistance, the CIGA Design BLACK STAR 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 30m for the CIGA Design BLACK STAR.

Which has a longer power reserve, the CIGA Design BLACK STAR 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 41 hours on the CIGA Design BLACK STAR.

What movement does the CIGA Design BLACK STAR run compared to the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

Both watches run automatic movements — the CIGA Design BLACK STAR uses the CD-04-S and the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition uses the 8L35.

Side by side

CIGA Design BLACK STARvsSeiko 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.

CIGA Design BLACK STAR

ciga-design-mechanical-watch-black-star

MSRP $1,980

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

sla061j1

MSRP $3,300

At a glance

14 of 29 specs differ

Diameter

BLACK STAR46mm

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm

Power Reserve

BLACK STAR41h

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h

Water Resistance

BLACK STAR30m

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m

MSRP

BLACK STAR$1,980

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

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

—

Black

Lume

Swiss Super-LumiNova

LumiBrite on hands, index(es) and bezel

Movement

2 specs

Caliber

CD-04-S

8L35

Power Reserve

41h

50h

Pricing

1 specs

MSRP

$1,980

$3,300

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