Which is cheaper, the Seiko Prospex Sea or the ZRC 1904 TROPICAL?

At MSRP the Seiko Prospex Sea is the cheaper of the two at $1,500, against $3,290 for the ZRC 1904 TROPICAL — a $1,790 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Sea or the ZRC 1904 TROPICAL?

The Seiko Prospex Sea wears larger at 43.5mm versus 41.5mm for the ZRC 1904 TROPICAL — a 2mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea or the ZRC 1904 TROPICAL?

The ZRC 1904 TROPICAL is rated to 1000m versus 200m for the Seiko Prospex Sea.

Which has a longer power reserve, the Seiko Prospex Sea or the ZRC 1904 TROPICAL?

The Seiko Prospex Sea carries a 70-hour power reserve against 56 hours on the ZRC 1904 TROPICAL.

What movement does the Seiko Prospex Sea run compared to the ZRC 1904 TROPICAL?

Both watches run automatic movements — the Seiko Prospex Sea uses the 6R35 and the ZRC 1904 TROPICAL uses the Sellita SW300-1.

Side by side

Seiko Prospex SeavsZRC 1904 TROPICAL

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

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Seiko Prospex Sea

spb349j1

MSRP $1,500

ZRC 1904 TROPICAL

men-watch-gf4213121315-tropical

MSRP $3,290

At a glance

13 of 29 specs differ

Diameter

Prospex Sea43.5mm

TROPICAL41.5mm

Power Reserve

Prospex Sea70h

TROPICAL56h

Water Resistance

Prospex Sea200m

TROPICAL1,000m

MSRP

Prospex Sea$1,500

TROPICAL$3,290

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

Anti-reflective coating on inner surface

Inner

Lume

LumiBrite on hands and index(es)

None

Movement

3 specs

Caliber

6R35

Sellita SW300-1

Power Reserve

70h

56h

Jewels

Pricing

1 specs

MSRP

$1,500

$3,290

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Seiko Prospex SeavsZRC 1904 TROPICAL

At a glance

Full specifications

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