Which is cheaper, the Orient Sports Diver or the Seiko Prospex Sea?

At MSRP the Orient Sports Diver is the cheaper of the two at $745, against $1,500 for the Seiko Prospex Sea — a $755 gap before any retailer discounting.

Which is bigger, the Orient Sports Diver or the Seiko Prospex Sea?

The Orient Sports Diver wears larger at 43.6mm versus 43.5mm for the Seiko Prospex Sea — a 0.1mm difference across the dial.

Which has better water resistance, the Orient Sports Diver or the Seiko Prospex Sea?

The Seiko Prospex Sea is rated to 200m versus 100m for the Orient Sports Diver.

Which has a longer power reserve, the Orient Sports Diver or the Seiko Prospex Sea?

The Seiko Prospex Sea carries a 70-hour power reserve against 50 hours on the Orient Sports Diver.

What movement does the Orient Sports Diver run compared to the Seiko Prospex Sea?

Both watches run automatic movements — the Orient Sports Diver uses the F6724 and the Seiko Prospex Sea uses the 6R35.

Side by side

Orient Sports DivervsSeiko Prospex Sea

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

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Orient Sports Diver

re-au0307e00b

MSRP $745

See the full Sports Diver

Seiko Prospex Sea

spb349j1

MSRP $1,500

See the full Prospex Sea

At a glance

13 of 29 specs differ

Diameter

Sports Diver43.6mm

Prospex Sea43.5mm

Power Reserve

Sports Diver50h

Prospex Sea70h

Water Resistance

Sports Diver100m

Prospex Sea200m

MSRP

Sports Diver$745

Prospex Sea$1,500

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

—

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

F6724

6R35

Power Reserve

50h

70h

Jewels

Pricing

1 specs

MSRP

$745

$1,500

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Orient Sports DivervsSeiko Prospex Sea

At a glance

Full specifications

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