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

At MSRP the Orient Star Semi Skeleton is the cheaper of the two at $535, against $750 for the Seiko Alpinist — a $215 gap before any retailer discounting.

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

The Orient Star Semi Skeleton wears larger at 40mm versus 39.5mm for the Seiko Alpinist — a 0.5mm difference across the dial.

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

The Orient Star Semi Skeleton is rated to 50m versus 20m for the Seiko Alpinist.

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

The Seiko Alpinist carries a 70-hour power reserve against 50 hours on the Orient Star Semi Skeleton.

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

Both watches run automatic movements — the Orient Star Semi Skeleton uses the F6F42 and the Seiko Alpinist uses the 6R35.

Side by side

Orient Star Semi SkeletonvsSeiko Alpinist

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-AV0001S

MSRP $535

See the full Semi Skeleton

Seiko Alpinist

MSRP $750

See the full Alpinist

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At a glance

13 of 29 specs differ

Diameter

Semi Skeleton40mm

Alpinist39.5mm

Power Reserve

Semi Skeleton50h

Alpinist70h

Water Resistance

Semi Skeleton50m

Alpinist200m

MSRP

Semi Skeleton$535

Alpinist$750

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal

—

Sapphire

AR Coating

Anti-reflective coating on inner surface

Dial Color

White

—

Lume

None

LumiBrite on hands and index(es)

Movement

2 specs

Caliber

F6F42

6R35

Power Reserve

50h

70h

Pricing

1 specs

MSRP

$535

$750

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Orient Star Semi SkeletonvsSeiko Alpinist

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