Which is cheaper, the Sinn U18 or the Zero West M1 Series?

At MSRP the Sinn U18 is the cheaper of the two at $3,488, against $3,600 for the Zero West M1 Series — a $112 gap before any retailer discounting.

Which is bigger, the Sinn U18 or the Zero West M1 Series?

The Sinn U18 wears larger at 44mm versus 41mm for the Zero West M1 Series — a 3mm difference across the dial.

Which has better water resistance, the Sinn U18 or the Zero West M1 Series?

The Sinn U18 is rated to 2000m versus 100m for the Zero West M1 Series.

Which has a longer power reserve, the Sinn U18 or the Zero West M1 Series?

The Sinn U18 carries a 42-hour power reserve against 41 hours on the Zero West M1 Series.

What movement does the Sinn U18 run compared to the Zero West M1 Series?

Both watches run automatic movements — the Sinn U18 uses the SW300-1 and the Zero West M1 Series uses the Sellita SW200-1.

Side by side

Sinn U18vsZero West M1 Series

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

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Sinn U18

U18

MSRP $3,488

Zero West M1 Series

m1-blackout-41mm

MSRP $3,600

At a glance

15 of 29 specs differ

Diameter

U1844mm

M1 Series41mm

Power Reserve

U1842h

M1 Series41h

Water Resistance

U182,000m

M1 Series100m

MSRP

U18$3,488

M1 Series$3,600

Full specifications

Case

8 specs

Crystal & Dial

4 specs

Crystal Shape

—

Flat

AR Coating

—

Inner

Dial Color

Black

—

Indices

—

Applied

Movement

2 specs

Caliber

SW300-1

Sellita SW200-1

Power Reserve

42h

41h

Pricing

1 specs

MSRP

$3,488

$3,600

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Sinn U18vsZero West M1 Series

At a glance

Full specifications

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