Which is cheaper, the Core Timepieces Original Sin or the Orient Kamasu?

At MSRP the Orient Kamasu is the cheaper of the two at $375, against $549 for the Core Timepieces Original Sin — a $174 gap before any retailer discounting.

Which is bigger, the Core Timepieces Original Sin or the Orient Kamasu?

The Core Timepieces Original Sin wears larger at 42mm versus 41.8mm for the Orient Kamasu — a 0.2mm difference across the dial.

Which has better water resistance, the Core Timepieces Original Sin or the Orient Kamasu?

The Core Timepieces Original Sin is rated to 300m versus 200m for the Orient Kamasu.

What movement does the Core Timepieces Original Sin run compared to the Orient Kamasu?

Both watches run automatic movements — the Core Timepieces Original Sin uses the Seiko NH36A and the Orient Kamasu uses the F6922.

Side by side

Core Timepieces Original SinvsOrient Kamasu

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

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Core Timepieces Original Sin

MSRP $549

Orient Kamasu

ra-aa0001b39b

MSRP $375

Buy from Core Timepieces ↗

Buy used on eBay ↗

Buy from Orient ↗

Buy used on eBay ↗

At a glance

17 of 29 specs differ

Diameter

Original Sin42mm

Kamasu41.8mm

Power Reserve

Original Sin—

Kamasu40h

Water Resistance

Original Sin300m

Kamasu200m

MSRP

Original Sin$549

Kamasu$375

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

Red

Black

Indices

Applied

—

Movement

5 specs

Caliber

Seiko NH36A

F6922

Beat Rate

28,800 vph

21,600 vph

Power Reserve

—

40h

Jewels

Complications

None

Day-date

Pricing

1 specs

MSRP

—

$375

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Core Timepieces Original SinvsOrient Kamasu

At a glance

Full specifications

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