Which is cheaper, the Grand Seiko SLGB023 or the Wolbrook JetFlyer Automatic Chronograph?

At MSRP the Wolbrook JetFlyer Automatic Chronograph is the cheaper of the two at $845, against $12,400 for the Grand Seiko SLGB023 — a $11,555 gap before any retailer discounting.

Which is bigger, the Grand Seiko SLGB023 or the Wolbrook JetFlyer Automatic Chronograph?

The Grand Seiko SLGB023 wears larger at 40.8mm versus 38mm for the Wolbrook JetFlyer Automatic Chronograph — a 2.8mm difference across the dial.

Which has better water resistance, the Grand Seiko SLGB023 or the Wolbrook JetFlyer Automatic Chronograph?

The Grand Seiko SLGB023 is rated to 300m versus 100m for the Wolbrook JetFlyer Automatic Chronograph.

Which has a longer power reserve, the Grand Seiko SLGB023 or the Wolbrook JetFlyer Automatic Chronograph?

The Grand Seiko SLGB023 carries a 72-hour power reserve against 40 hours on the Wolbrook JetFlyer Automatic Chronograph.

What movement does the Grand Seiko SLGB023 run compared to the Wolbrook JetFlyer Automatic Chronograph?

The Grand Seiko SLGB023 runs a spring drive caliber (9RB1), while the Wolbrook JetFlyer Automatic Chronograph runs a automatic.

Side by side

Grand Seiko SLGB023vsWolbrook JetFlyer Automatic Chronograph

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

Grand Seiko SLGB023

slgb023g

MSRP $12,400

Wolbrook JetFlyer Automatic Chronograph

26-JFCA-001-LR6-BLK-STL

MSRP $845

At a glance

13 of 29 specs differ

Diameter

SLGB02340.8mm

JetFlyer Automatic Chronograph38mm

Power Reserve

SLGB02372h

JetFlyer Automatic Chronograph40h

Water Resistance

SLGB023300m

JetFlyer Automatic Chronograph100m

MSRP

SLGB023$12,400

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

9RB1

—

Type

Spring Drive

Automatic

Power Reserve

72h

40h

Pricing

1 specs

MSRP

$12,400

$845

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