Which is cheaper, the Grand Seiko SBGM221 or the Wolbrook JetFlyer Automatic Chronograph?

At MSRP the Wolbrook JetFlyer Automatic Chronograph is the cheaper of the two at $845, against $5,400 for the Grand Seiko SBGM221 — a $4,555 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGM221 or the Wolbrook JetFlyer Automatic Chronograph?

The Grand Seiko SBGM221 wears larger at 39.5mm versus 38mm for the Wolbrook JetFlyer Automatic Chronograph — a 1.5mm difference across the dial.

Which has better water resistance, the Grand Seiko SBGM221 or the Wolbrook JetFlyer Automatic Chronograph?

The Wolbrook JetFlyer Automatic Chronograph is rated to 100m versus 30m for the Grand Seiko SBGM221.

Which has a longer power reserve, the Grand Seiko SBGM221 or the Wolbrook JetFlyer Automatic Chronograph?

The Grand Seiko SBGM221 carries a 72-hour power reserve against 40 hours on the Wolbrook JetFlyer Automatic Chronograph.

Side by side

Grand Seiko SBGM221vsWolbrook JetFlyer Automatic Chronograph

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

Grand Seiko SBGM221

sbgm221g

MSRP $5,400

Wolbrook JetFlyer Automatic Chronograph

26-JFCA-001-LR6-BLK-STL

MSRP $845

At a glance

12 of 29 specs differ

Diameter

SBGM22139.5mm

JetFlyer Automatic Chronograph38mm

Power Reserve

SBGM22172h

JetFlyer Automatic Chronograph40h

Water Resistance

SBGM22130m

JetFlyer Automatic Chronograph100m

MSRP

SBGM221$5,400

JetFlyer Automatic Chronograph$845

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

AR Coating

Yes

Inner

Movement

2 specs

Caliber

9S66

—

Power Reserve

72h

40h

Pricing

1 specs

MSRP

$5,400

$845

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