Which is cheaper, the Praesidus 38mm Automatic or the Sinn U18?

At MSRP the Praesidus 38mm Automatic is the cheaper of the two at $680, against $3,488 for the Sinn U18 — a $2,808 gap before any retailer discounting.

Which is bigger, the Praesidus 38mm Automatic or the Sinn U18?

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

Which has better water resistance, the Praesidus 38mm Automatic or the Sinn U18?

The Sinn U18 is rated to 2000m versus 100m for the Praesidus 38mm Automatic.

Which has a longer power reserve, the Praesidus 38mm Automatic or the Sinn U18?

The Sinn U18 carries a 42-hour power reserve against 40 hours on the Praesidus 38mm Automatic.

What movement does the Praesidus 38mm Automatic run compared to the Sinn U18?

Both watches run automatic movements — the Praesidus 38mm Automatic uses the Seiko NH35 and the Sinn U18 uses the SW300-1.

Side by side

Praesidus 38mm AutomaticvsSinn U18

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

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Praesidus 38mm Automatic

P-38-HP-GRSG

MSRP $680

Sinn U18

U18

MSRP $3,488

At a glance

16 of 29 specs differ

Diameter

38mm Automatic38mm

U1844mm

Power Reserve

38mm Automatic40h

U1842h

Water Resistance

38mm Automatic100m

U182,000m

MSRP

38mm Automatic$680

U18$3,488

Full specifications

Case

9 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

38mm Automatic

Black

Indices

Applied

—

Movement

2 specs

Caliber

Seiko NH35

SW300-1

Power Reserve

40h

42h

Pricing

1 specs

MSRP

$680

$3,488

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Praesidus 38mm AutomaticvsSinn U18

At a glance

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