Which is cheaper, the Orient RA-AC0K05G00B LE or the Seiko Prospex Sea?

At MSRP the Orient RA-AC0K05G00B LE is the cheaper of the two at $450, against $625 for the Seiko Prospex Sea — a $175 gap before any retailer discounting.

Which is bigger, the Orient RA-AC0K05G00B LE or the Seiko Prospex Sea?

The Seiko Prospex Sea wears larger at 43.8mm versus 43.4mm for the Orient RA-AC0K05G00B LE — a 0.4mm difference across the dial.

Which has a longer power reserve, the Orient RA-AC0K05G00B LE or the Seiko Prospex Sea?

The Seiko Prospex Sea carries a 41-hour power reserve against 40 hours on the Orient RA-AC0K05G00B LE.

What movement does the Orient RA-AC0K05G00B LE run compared to the Seiko Prospex Sea?

Both watches run automatic movements — the Orient RA-AC0K05G00B LE uses the F6722 and the Seiko Prospex Sea uses the 4R35.

Side by side

Orient RA-AC0K05G00B LEvsSeiko Prospex Sea

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

Orient RA-AC0K05G00B LE

ra-ac0k05g00b

MSRP $450

Seiko Prospex Sea

srpe37

MSRP $625

At a glance

13 of 29 specs differ

Diameter

RA-AC0K05G00B LE43.4mm

Prospex Sea43.8mm

Power Reserve

RA-AC0K05G00B LE40h

Prospex Sea41h

Water Resistance

RA-AC0K05G00B LE200m

Prospex Sea200m

MSRP

RA-AC0K05G00B LE$450

Prospex Sea$625

Full specifications

Case

2 specs

Diameter

43.4mm

43.8mm

Lug-to-Lug

51mm

48.7mm

Crystal & Dial

5 specs

Crystal Shape

—

Flat

AR Coating

—

Anti-reflective coating on inner surface

Dial Color

Gold

Black

Indices

—

Applied

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

5 specs

Caliber

F6722

4R35

Beat Rate

21,600 vph

28,800 vph

Power Reserve

40h

41h

Jewels

Complications

Date

None

Pricing

1 specs

MSRP

$450

$625

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Orient RA-AC0K05G00B LEvsSeiko Prospex Sea

At a glance

Full specifications

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