Which is cheaper, the Sinn U18 or the Wolbrook JetFlyer Automatic Chronograph?

At MSRP the Wolbrook JetFlyer Automatic Chronograph is the cheaper of the two at $845, against $3,488 for the Sinn U18 — a $2,643 gap before any retailer discounting.

Which is bigger, the Sinn U18 or the Wolbrook JetFlyer Automatic Chronograph?

The Sinn U18 wears larger at 44mm versus 38mm for the Wolbrook JetFlyer Automatic Chronograph — a 6mm difference across the dial.

Which has better water resistance, the Sinn U18 or the Wolbrook JetFlyer Automatic Chronograph?

The Sinn U18 is rated to 2000m versus 100m for the Wolbrook JetFlyer Automatic Chronograph.

Which has a longer power reserve, the Sinn U18 or the Wolbrook JetFlyer Automatic Chronograph?

The Sinn U18 carries a 42-hour power reserve against 40 hours on the Wolbrook JetFlyer Automatic Chronograph.

What movement does the Sinn U18 run compared to the Wolbrook JetFlyer Automatic Chronograph?

Both watches run automatic movements — the Sinn U18 uses the SW300-1 and the Wolbrook JetFlyer Automatic Chronograph uses the Jeambrun PS 6402.

Side by side

Sinn U18vsWolbrook JetFlyer Automatic Chronograph

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

Add a watch

Sinn U18

U18

MSRP $3,488

Wolbrook JetFlyer Automatic Chronograph

26-JFCA-001-LR6-BLK-STL

MSRP $845

At a glance

16 of 29 specs differ

Diameter

U1844mm

JetFlyer Automatic Chronograph38mm

Power Reserve

U1842h

JetFlyer Automatic Chronograph40h

Water Resistance

U182,000m

JetFlyer Automatic Chronograph100m

MSRP

U18$3,488

JetFlyer Automatic Chronograph$845

Full specifications

Case

9 specs

Crystal & Dial

4 specs

Crystal

Sapphire

Domed Sapphire

Crystal Shape

—

Flat

AR Coating

—

Inner

Indices

—

Applied

Movement

2 specs

Caliber

SW300-1

Jeambrun PS 6402

Power Reserve

42h

40h

Pricing

1 specs

MSRP

$3,488

$845

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Sinn U18vsWolbrook JetFlyer Automatic Chronograph

At a glance

Full specifications

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