Which is cheaper, the Seiko King Seiko KSK or the Vertex Bronze 36 Green?

At MSRP the Seiko King Seiko KSK is the cheaper of the two at $1,900, against $1,913 for the Vertex Bronze 36 Green — a $13 gap before any retailer discounting.

Which is bigger, the Seiko King Seiko KSK or the Vertex Bronze 36 Green?

The Seiko King Seiko KSK wears larger at 36.1mm versus 36mm for the Vertex Bronze 36 Green — a 0.1mm difference across the dial.

Which has better water resistance, the Seiko King Seiko KSK or the Vertex Bronze 36 Green?

The Vertex Bronze 36 Green is rated to 100m versus 10m for the Seiko King Seiko KSK.

Which has a longer power reserve, the Seiko King Seiko KSK or the Vertex Bronze 36 Green?

The Seiko King Seiko KSK carries a 72-hour power reserve against 40 hours on the Vertex Bronze 36 Green.

What movement does the Seiko King Seiko KSK run compared to the Vertex Bronze 36 Green?

Both watches run automatic movements — the Seiko King Seiko KSK uses the 6R51 and the Vertex Bronze 36 Green uses the Sellita SW260-1.

Side by side

Seiko King Seiko KSKvsVertex Bronze 36 Green

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

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Seiko King Seiko KSK

spb457j1

MSRP $1,900

Vertex Bronze 36 Green

bronze-36-green

MSRP $1,913

At a glance

14 of 29 specs differ

Diameter

King Seiko KSK36.1mm

Bronze 36 Green36mm

Power Reserve

King Seiko KSK72h

Bronze 36 Green40h

Water Resistance

King Seiko KSK100m

Bronze 36 Green100m

MSRP

King Seiko KSK$1,900

Bronze 36 Green$1,913

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal Shape

Box

Flat

AR Coating

Anti-reflective coating on inner surface

Inner

Dial Color

Black

—

Lume

LumiBrite on hands and index(es)

None

Movement

3 specs

Caliber

6R51

Sellita SW260-1

Power Reserve

72h

40h

Jewels

Pricing

1 specs

MSRP

$1,900

$1,913

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Seiko King Seiko KSKvsVertex Bronze 36 Green

At a glance

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