Which is cheaper, the Gruppo Gamma Vanguard Weathered Date or the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

At MSRP the Gruppo Gamma Vanguard Weathered Date is the cheaper of the two at $790, against $3,300 for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition — a $2,510 gap before any retailer discounting.

Which is bigger, the Gruppo Gamma Vanguard Weathered Date 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 Gruppo Gamma Vanguard Weathered Date — a 2mm difference across the dial.

Which has better water resistance, the Gruppo Gamma Vanguard Weathered Date 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 100m for the Gruppo Gamma Vanguard Weathered Date.

Which has a longer power reserve, the Gruppo Gamma Vanguard Weathered Date 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 42 hours on the Gruppo Gamma Vanguard Weathered Date.

What movement does the Gruppo Gamma Vanguard Weathered Date run compared to the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition?

Both watches run automatic movements — the Gruppo Gamma Vanguard Weathered Date uses the Miyota 9015 and the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition uses the 8L35.

Side by side

Gruppo Gamma Vanguard Weathered DatevsSeiko 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.

Gruppo Gamma Vanguard Weathered Date

av-11

MSRP $790

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

sla061j1

MSRP $3,300

At a glance

16 of 29 specs differ

Diameter

Vanguard Weathered Date42mm

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm

Power Reserve

Vanguard Weathered Date42h

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h

Water Resistance

Vanguard Weathered Date100m

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m

MSRP

Vanguard Weathered Date$790

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

Yes

Anti-reflective coating on inner surface

Dial Color

Forged Carbon

Black

Lume

Super-LumiNova

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

Miyota 9015

8L35

Power Reserve

42h

50h

Jewels

Complications

Date

None

Pricing

1 specs

MSRP

$790

$3,300

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