Which is cheaper, the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition or the Viribus Unitis Pola round compass/navigation-bezel 3-hand date (W29)?

At MSRP the Viribus Unitis Pola round compass/navigation-bezel 3-hand date (W29) is the cheaper of the two at $1,800, against $3,300 for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition — a $1,500 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition or the Viribus Unitis Pola round compass/navigation-bezel 3-hand date (W29)?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition wears larger at 44mm versus 42mm for the Viribus Unitis Pola round compass/navigation-bezel 3-hand date (W29) — a 2mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition or the Viribus Unitis Pola round compass/navigation-bezel 3-hand date (W29)?

The Viribus Unitis Pola round compass/navigation-bezel 3-hand date (W29) is rated to 300m versus 200m for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition.

Which has a longer power reserve, the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition or the Viribus Unitis Pola round compass/navigation-bezel 3-hand date (W29)?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition carries a 50-hour power reserve against 42 hours on the Viribus Unitis Pola round compass/navigation-bezel 3-hand date (W29).

What movement does the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition run compared to the Viribus Unitis Pola round compass/navigation-bezel 3-hand date (W29)?

Both watches run automatic movements — the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition uses the 8L35 and the Viribus Unitis Pola round compass/navigation-bezel 3-hand date (W29) uses the A26 Elabore.

Side by side

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionvsViribus Unitis Pola round compass/navigation-bezel 3-hand date (W29)

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

Add a watch

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

sla061j1

MSRP $3,300

Viribus Unitis Pola round compass/navigation-bezel 3-hand date (W29)

MSRP $1,800

Buy from Seiko ↗

Buy used on eBay ↗

Buy from Viribus Unitis ↗

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At a glance

14 of 29 specs differ

Diameter

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm

Pola round compass/navigation-bezel 3-hand date (W29)42mm

Power Reserve

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h

Pola round compass/navigation-bezel 3-hand date (W29)42h

Water Resistance

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m

Pola round compass/navigation-bezel 3-hand date (W29)300m

MSRP

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

Pola round compass/navigation-bezel 3-hand date (W29)$1,800

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal Shape

Curved

Flat

AR Coating

Anti-reflective coating on inner surface

Inner

Dial Color

Black

Cream

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

8L35

A26 Elabore

Power Reserve

50h

42h

Jewels

Pricing

1 specs

MSRP

$3,300

$1,800

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Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionvsViribus Unitis Pola round compass/navigation-bezel 3-hand date (W29)

At a glance

Full specifications

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