Which is cheaper, the Seiko King Seiko KSK or the Wolbrook JetFlyer Automatic Chronograph?

At MSRP the Wolbrook JetFlyer Automatic Chronograph is the cheaper of the two at $845, against $1,900 for the Seiko King Seiko KSK — a $1,055 gap before any retailer discounting.

Which is bigger, the Seiko King Seiko KSK or the Wolbrook JetFlyer Automatic Chronograph?

The Wolbrook JetFlyer Automatic Chronograph wears larger at 38mm versus 36.1mm for the Seiko King Seiko KSK — a 1.9mm difference across the dial.

Which has better water resistance, the Seiko King Seiko KSK or the Wolbrook JetFlyer Automatic Chronograph?

The Wolbrook JetFlyer Automatic Chronograph 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 Wolbrook JetFlyer Automatic Chronograph?

The Seiko King Seiko KSK carries a 72-hour power reserve against 40 hours on the Wolbrook JetFlyer Automatic Chronograph.

Side by side

Seiko King Seiko KSKvsWolbrook JetFlyer Automatic Chronograph

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

Seiko King Seiko KSK

spb457j1

MSRP $1,900

Wolbrook JetFlyer Automatic Chronograph

26-JFCA-001-LR6-BLK-STL

MSRP $845

At a glance

14 of 29 specs differ

Diameter

King Seiko KSK36.1mm

JetFlyer Automatic Chronograph38mm

Power Reserve

King Seiko KSK72h

JetFlyer Automatic Chronograph40h

Water Resistance

King Seiko KSK100m

JetFlyer Automatic Chronograph100m

MSRP

King Seiko KSK$1,900

JetFlyer Automatic Chronograph$845

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal

Sapphire

Domed Sapphire

Crystal Shape

Box

Flat

AR Coating

Anti-reflective coating on inner surface

Inner

Lume

LumiBrite on hands and index(es)

None

Movement

3 specs

Caliber

6R51

—

Power Reserve

72h

40h

Jewels

Pricing

1 specs

MSRP

$1,900

$845

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