Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Sinn U18?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $3,488 for the Sinn U18 — a $1,483 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Sinn U18?

The Sinn U18 wears larger at 44mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 5mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Sinn U18?

The Sinn U18 is rated to 2000m versus 300m for the Serica Ref. 5330 Diving Chronometer Date.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Sinn U18?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the Soprod M100 and the Sinn U18 uses the Sellita SW300-1.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsSinn U18

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

Add a watch

Serica Ref. 5330 Diving Chronometer Date

5330-chronometre-plongee-date

MSRP $2,005

Sinn U18

U18

MSRP $3,488

At a glance

15 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

U1844mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

U1842h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

U182,000m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

U18$3,488

Full specifications

Case

8 specs

Diameter

39mm

44mm

Thickness

12.2mm

15.5mm

Lug-to-Lug

46.5mm

—

Lug Width

20mm

22mm

Material

Stainless Steel

high-strength

Finish

Brushed and polished

—

Water Resistance

300m

2000m

Caseback

Solid

—

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Yes

—

Indices

Applied

—

Lume

Super-LumiNova

None

Movement

2 specs

Caliber

Soprod M100

Sellita SW300-1

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$3,488

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Serica Ref. 5330 Diving Chronometer DatevsSinn U18

At a glance

Full specifications

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