Which is cheaper, the Seiko Prospex Sea 1965 Heritage Diver's Watch or the ZRC 1904 Z.R.C Grands Fonds Heritage?

At MSRP the Seiko Prospex Sea 1965 Heritage Diver's Watch is the cheaper of the two at $1,300, against $3,290 for the ZRC 1904 Z.R.C Grands Fonds Heritage — a $1,990 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Sea 1965 Heritage Diver's Watch or the ZRC 1904 Z.R.C Grands Fonds Heritage?

The Seiko Prospex Sea 1965 Heritage Diver's Watch wears larger at 40mm versus 39mm for the ZRC 1904 Z.R.C Grands Fonds Heritage — a 1mm difference across the dial.

Which has a longer power reserve, the Seiko Prospex Sea 1965 Heritage Diver's Watch or the ZRC 1904 Z.R.C Grands Fonds Heritage?

The Seiko Prospex Sea 1965 Heritage Diver's Watch carries a 72-hour power reserve against 41 hours on the ZRC 1904 Z.R.C Grands Fonds Heritage.

What movement does the Seiko Prospex Sea 1965 Heritage Diver's Watch run compared to the ZRC 1904 Z.R.C Grands Fonds Heritage?

Both watches run automatic movements — the Seiko Prospex Sea 1965 Heritage Diver's Watch uses the 6R55 and the ZRC 1904 Z.R.C Grands Fonds Heritage uses the Sellita SW200-1.

Side by side

Seiko Prospex Sea 1965 Heritage Diver's WatchvsZRC 1904 Z.R.C Grands Fonds Heritage

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

Add a watch

Seiko Prospex Sea 1965 Heritage Diver's Watch

spb451j1

MSRP $1,300

ZRC 1904 Z.R.C Grands Fonds Heritage

gf3813231114-chesnut

MSRP $3,290

At a glance

11 of 29 specs differ

Diameter

Prospex Sea 1965 Heritage Diver's Watch40mm

Z.R.C Grands Fonds Heritage39mm

Power Reserve

Prospex Sea 1965 Heritage Diver's Watch72h

Z.R.C Grands Fonds Heritage41h

Water Resistance

Prospex Sea 1965 Heritage Diver's Watch300m

Z.R.C Grands Fonds Heritage300m

MSRP

Prospex Sea 1965 Heritage Diver's Watch$1,300

Z.R.C Grands Fonds Heritage$3,290

Full specifications

Case

4 specs

Crystal & Dial

3 specs

Crystal Shape

Curved

Flat

AR Coating

Anti-reflective coating on inner surface

Inner

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

6R55

Sellita SW200-1

Power Reserve

72h

41h

Jewels

Pricing

1 specs

MSRP

$1,300

$3,290

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Seiko Prospex Sea 1965 Heritage Diver's WatchvsZRC 1904 Z.R.C Grands Fonds Heritage

At a glance

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