Which is cheaper, the Pagani Design PD-1821 or the Seiko Prospex Sea 1965 Heritage Diver's Watch?

At MSRP the Pagani Design PD-1821 is the cheaper of the two at $137, against $1,300 for the Seiko Prospex Sea 1965 Heritage Diver's Watch — a $1,163 gap before any retailer discounting.

Which is bigger, the Pagani Design PD-1821 or the Seiko Prospex Sea 1965 Heritage Diver's Watch?

The Pagani Design PD-1821 wears larger at 41mm versus 40mm for the Seiko Prospex Sea 1965 Heritage Diver's Watch — a 1mm difference across the dial.

Which has better water resistance, the Pagani Design PD-1821 or the Seiko Prospex Sea 1965 Heritage Diver's Watch?

The Seiko Prospex Sea 1965 Heritage Diver's Watch is rated to 300m versus 100m for the Pagani Design PD-1821.

Which has a longer power reserve, the Pagani Design PD-1821 or the Seiko Prospex Sea 1965 Heritage Diver's Watch?

The Seiko Prospex Sea 1965 Heritage Diver's Watch carries a 72-hour power reserve against 40 hours on the Pagani Design PD-1821.

What movement does the Pagani Design PD-1821 run compared to the Seiko Prospex Sea 1965 Heritage Diver's Watch?

Both watches run automatic movements — the Pagani Design PD-1821 uses the Miyota 8215 and the Seiko Prospex Sea 1965 Heritage Diver's Watch uses the 6R55.

Side by side

Pagani Design PD-1821vsSeiko Prospex Sea 1965 Heritage Diver's Watch

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

Pagani Design PD-1821

pd-1821

MSRP $137

Seiko Prospex Sea 1965 Heritage Diver's Watch

spb451j1

MSRP $1,300

At a glance

12 of 29 specs differ

Diameter

PD-182141mm

Prospex Sea 1965 Heritage Diver's Watch40mm

Power Reserve

PD-182140h

Prospex Sea 1965 Heritage Diver's Watch72h

Water Resistance

PD-1821100m

Prospex Sea 1965 Heritage Diver's Watch300m

MSRP

PD-1821$137

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

Full specifications

Case

5 specs

Diameter

41mm

40mm

Thickness

11mm

13mm

Lug-to-Lug

46mm

46.4mm

Lug Width

21mm

20mm

Water Resistance

100m

300m

Crystal & Dial

3 specs

Crystal Shape

Flat

Curved

AR Coating

Yes

Anti-reflective coating on inner surface

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Miyota 8215

6R55

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$137

$1,300

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