Which is cheaper, the Seiko Prospex Sea 1965 Heritage Diver's Watch or the Unimatic Modello Due UC2 Classic Time Only?

At MSRP the Unimatic Modello Due UC2 Classic Time Only is the cheaper of the two at $655, against $1,300 for the Seiko Prospex Sea 1965 Heritage Diver's Watch — a $645 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Sea 1965 Heritage Diver's Watch or the Unimatic Modello Due UC2 Classic Time Only?

The Seiko Prospex Sea 1965 Heritage Diver's Watch wears larger at 40mm versus 38mm for the Unimatic Modello Due UC2 Classic Time Only — a 2mm difference across the dial.

What movement does the Seiko Prospex Sea 1965 Heritage Diver's Watch run compared to the Unimatic Modello Due UC2 Classic Time Only?

Both watches run automatic movements — the Seiko Prospex Sea 1965 Heritage Diver's Watch uses the Seiko 6R55 and the Unimatic Modello Due UC2 Classic Time Only uses the Seiko NH35.

Side by side

Seiko Prospex Sea 1965 Heritage Diver's WatchvsUnimatic Modello Due UC2 Classic Time Only

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

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Seiko Prospex Sea 1965 Heritage Diver's Watch

MSRP $1,300

See the full Prospex Sea 1965 Heritage Diver's Watch

Unimatic Modello Due UC2 Classic Time Only

uc2

MSRP $655

See the full Modello Due UC2 Classic Time Only

At a glance

15 of 29 specs differ

Diameter

Prospex Sea 1965 Heritage Diver's Watch40mm

Modello Due UC2 Classic Time Only38mm

Power Reserve

Prospex Sea 1965 Heritage Diver's Watch72h

Modello Due UC2 Classic Time Only—

Water Resistance

Prospex Sea 1965 Heritage Diver's Watch300m

Modello Due UC2 Classic Time Only300m

MSRP

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

Modello Due UC2 Classic Time Only$655

Full specifications

Case

6 specs

Crystal & Dial

5 specs

Crystal

Sapphire

—

Crystal Shape

Curved

—

AR Coating

Anti-reflective coating on inner surface

—

Dial Color

—

Matte black

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

Seiko 6R55

Seiko NH35

Power Reserve

72h

Jewels

Pricing

1 specs

MSRP

$1,300

$655

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Seiko Prospex Sea 1965 Heritage Diver's WatchvsUnimatic Modello Due UC2 Classic Time Only

At a glance

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