Which is cheaper, the Seiko Prospex Sea 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 $900 for the Seiko Prospex Sea — a $245 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Sea or the Unimatic Modello Due UC2 Classic Time Only?

The Seiko Prospex Sea wears larger at 41mm versus 38mm for the Unimatic Modello Due UC2 Classic Time Only — a 3mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea or the Unimatic Modello Due UC2 Classic Time Only?

The Unimatic Modello Due UC2 Classic Time Only is rated to 300m versus 200m for the Seiko Prospex Sea.

What movement does the Seiko Prospex Sea run compared to the Unimatic Modello Due UC2 Classic Time Only?

Both watches run automatic movements — the Seiko Prospex Sea uses the Seiko 6R35 and the Unimatic Modello Due UC2 Classic Time Only uses the Seiko NH35A (automatic).

Side by side

Seiko Prospex SeavsUnimatic 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

MSRP $900

See the full Prospex Sea

Unimatic Modello Due UC2 Classic Time Only

uc2

MSRP $655

See the full Modello Due UC2 Classic Time Only

At a glance

16 of 29 specs differ

Diameter

Prospex Sea41mm

Modello Due UC2 Classic Time Only38mm

Power Reserve

Prospex Sea70h

Modello Due UC2 Classic Time Only—

Water Resistance

Prospex Sea200m

Modello Due UC2 Classic Time Only300m

MSRP

Prospex Sea$900

Modello Due UC2 Classic Time Only$655

Full specifications

Case

7 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 6R35

Seiko NH35A (automatic)

Power Reserve

70h

Jewels

Pricing

1 specs

MSRP

$900

$655

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Seiko Prospex SeavsUnimatic Modello Due UC2 Classic Time Only

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