Which is cheaper, the Orient Star Semi Skeleton or the Seiko Monster?

At MSRP the Orient Star Semi Skeleton is the cheaper of the two at $465, against $550 for the Seiko Monster — a $85 gap before any retailer discounting.

Which is bigger, the Orient Star Semi Skeleton or the Seiko Monster?

The Seiko Monster wears larger at 42.4mm versus 39.3mm for the Orient Star Semi Skeleton — a 3.1mm difference across the dial.

Which has better water resistance, the Orient Star Semi Skeleton or the Seiko Monster?

The Seiko Monster is rated to 200m versus 100m for the Orient Star Semi Skeleton.

Which has a longer power reserve, the Orient Star Semi Skeleton or the Seiko Monster?

The Orient Star Semi Skeleton carries a 50-hour power reserve against 41 hours on the Seiko Monster.

What movement does the Orient Star Semi Skeleton run compared to the Seiko Monster?

Both watches run automatic movements — the Orient Star Semi Skeleton uses the Orient F6R42 and the Seiko Monster uses the Seiko 4R36.

Side by side

Orient Star Semi SkeletonvsSeiko Monster

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

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Orient Star Semi Skeleton

RE-AT0001L

MSRP $465

See the full Semi Skeleton

Seiko Monster

MSRP $550

See the full Monster

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At a glance

14 of 29 specs differ

Diameter

Semi Skeleton39.3mm

Monster42.4mm

Power Reserve

Semi Skeleton50h

Monster41h

Water Resistance

Semi Skeleton100m

Monster200m

MSRP

Semi Skeleton$465

Monster$550

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal

Sapphire

Hardlex

AR Coating

Yes

—

Dial Color

Navy

—

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Orient F6R42

Seiko 4R36

Power Reserve

50h

41h

Jewels

Pricing

1 specs

MSRP

$465

$550

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Orient Star Semi SkeletonvsSeiko Monster

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