Which is cheaper, the Grand Seiko SBGK007 or the Wolbrook JetFlyer Automatic Chronograph?

At MSRP the Wolbrook JetFlyer Automatic Chronograph is the cheaper of the two at $845, against $7,300 for the Grand Seiko SBGK007 — a $6,455 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGK007 or the Wolbrook JetFlyer Automatic Chronograph?

The Grand Seiko SBGK007 wears larger at 39mm versus 38mm for the Wolbrook JetFlyer Automatic Chronograph — a 1mm difference across the dial.

Which has better water resistance, the Grand Seiko SBGK007 or the Wolbrook JetFlyer Automatic Chronograph?

The Wolbrook JetFlyer Automatic Chronograph is rated to 100m versus 30m for the Grand Seiko SBGK007.

Which has a longer power reserve, the Grand Seiko SBGK007 or the Wolbrook JetFlyer Automatic Chronograph?

The Grand Seiko SBGK007 carries a 72-hour power reserve against 40 hours on the Wolbrook JetFlyer Automatic Chronograph.

What movement does the Grand Seiko SBGK007 run compared to the Wolbrook JetFlyer Automatic Chronograph?

The Grand Seiko SBGK007 runs a manual caliber (9S63), while the Wolbrook JetFlyer Automatic Chronograph runs a automatic.

Side by side

Grand Seiko SBGK007vsWolbrook JetFlyer Automatic Chronograph

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

Grand Seiko SBGK007

sbgk007g

MSRP $7,300

Wolbrook JetFlyer Automatic Chronograph

26-JFCA-001-LR6-BLK-STL

MSRP $845

At a glance

13 of 29 specs differ

Diameter

SBGK00739mm

JetFlyer Automatic Chronograph38mm

Power Reserve

SBGK00772h

JetFlyer Automatic Chronograph40h

Water Resistance

SBGK00730m

JetFlyer Automatic Chronograph100m

MSRP

SBGK007$7,300

JetFlyer Automatic Chronograph$845

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

AR Coating

Yes

Inner

Movement

3 specs

Caliber

9S63

—

Type

Manual

Automatic

Power Reserve

72h

40h

Pricing

1 specs

MSRP

$7,300

$845

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