Which is cheaper, the Seiko Prospex Sea 1965 Heritage Diver's Watch or the Vertex M60 AquaLion D?

At MSRP the Seiko Prospex Sea 1965 Heritage Diver's Watch is the cheaper of the two at $1,300, against $3,243 for the Vertex M60 AquaLion D — a $1,943 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Sea 1965 Heritage Diver's Watch or the Vertex M60 AquaLion D?

The Seiko Prospex Sea 1965 Heritage Diver's Watch wears larger at 40mm versus 39mm for the Vertex M60 AquaLion D — a 1mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea 1965 Heritage Diver's Watch or the Vertex M60 AquaLion D?

The Vertex M60 AquaLion D is rated to 600m versus 300m for the Seiko Prospex Sea 1965 Heritage Diver's Watch.

Which has a longer power reserve, the Seiko Prospex Sea 1965 Heritage Diver's Watch or the Vertex M60 AquaLion D?

The Seiko Prospex Sea 1965 Heritage Diver's Watch carries a 72-hour power reserve against 42 hours on the Vertex M60 AquaLion D.

What movement does the Seiko Prospex Sea 1965 Heritage Diver's Watch run compared to the Vertex M60 AquaLion D?

Both watches run automatic movements — the Seiko Prospex Sea 1965 Heritage Diver's Watch uses the Seiko 6R55 and the Vertex M60 AquaLion D uses the Sellita SW300-1.

Side by side

Seiko Prospex Sea 1965 Heritage Diver's WatchvsVertex M60 AquaLion D

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

MSRP $1,300

See the full Prospex Sea 1965 Heritage Diver's Watch

Vertex M60 AquaLion D

m60-aqualion-date

MSRP $3,243

See the full M60 AquaLion D

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Buy from Vertex ↗

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At a glance

13 of 29 specs differ

Diameter

Prospex Sea 1965 Heritage Diver's Watch40mm

M60 AquaLion D39mm

Power Reserve

Prospex Sea 1965 Heritage Diver's Watch72h

M60 AquaLion D42h

Water Resistance

Prospex Sea 1965 Heritage Diver's Watch300m

M60 AquaLion D600m

MSRP

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

M60 AquaLion D$3,243

Full specifications

Case

5 specs

Crystal & Dial

4 specs

Crystal Shape

Curved

—

AR Coating

Anti-reflective coating on inner surface

—

Dial Color

—

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

Seiko 6R55

Sellita SW300-1

Power Reserve

72h

42h

Jewels

Pricing

1 specs

MSRP

$1,300

$3,243

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Seiko Prospex Sea 1965 Heritage Diver's WatchvsVertex M60 AquaLion D

At a glance

Full specifications

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