Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Cincinnati Watch Company Phantom?

At MSRP the Serica Ref. 5303 Diving Chronometer is the cheaper of the two at $1,768, against $1,995 for the Cincinnati Watch Company Phantom — a $227 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Cincinnati Watch Company Phantom?

The Serica Ref. 5303 Diving Chronometer wears larger at 39mm versus 38mm for the Cincinnati Watch Company Phantom — a 1mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Cincinnati Watch Company Phantom?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 100m for the Cincinnati Watch Company Phantom.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Cincinnati Watch Company Phantom?

The Cincinnati Watch Company Phantom carries a 45-hour power reserve against 42 hours on the Serica Ref. 5303 Diving Chronometer.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Cincinnati Watch Company Phantom?

The Serica Ref. 5303 Diving Chronometer runs a automatic caliber (M100 COSC), while the Cincinnati Watch Company Phantom runs a manual (Sellita SW210-1).

Side by side

Serica Ref. 5303 Diving ChronometervsCincinnati Watch Company Phantom

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

Serica Ref. 5303 Diving Chronometer

5303-1-diving-chronometer

MSRP $1,768

Cincinnati Watch Company Phantom

phantom

MSRP $1,995

At a glance

19 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Phantom38mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Phantom45h

Water Resistance

Ref. 5303 Diving Chronometer300m

Phantom100m

MSRP

Ref. 5303 Diving Chronometer$1,768

Phantom$1,995

Full specifications

Case

7 specs

Crystal & Dial

5 specs

Crystal Shape

Flat

Domed

AR Coating

Yes

Underside

Dial Color

Enamel Black

Silver

Indices

Applied

—

Lume

Super-LumiNova

None

Movement

6 specs

Caliber

M100 COSC

Sellita SW210-1

Type

Automatic

Manual

Beat Rate

28,800 vph

0 vph

Power Reserve

42h

45h

Jewels

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$1,995

Follow this matchup

Get a note when Serica Ref. 5303 Diving Chronometer vs Cincinnati Watch Company Phantom gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring