Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Cincinnati Watch Company Green Enamel over Hammered Finish?

At MSRP the Serica Ref. 5303 Diving Chronometer is the cheaper of the two at $1,768, against $1,799 for the Cincinnati Watch Company Green Enamel over Hammered Finish — a $31 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Cincinnati Watch Company Green Enamel over Hammered Finish?

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

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Cincinnati Watch Company Green Enamel over Hammered Finish?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 100m for the Cincinnati Watch Company Green Enamel over Hammered Finish.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Cincinnati Watch Company Green Enamel over Hammered Finish?

The Cincinnati Watch Company Green Enamel over Hammered Finish 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 Green Enamel over Hammered Finish?

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

Side by side

Serica Ref. 5303 Diving ChronometervsCincinnati Watch Company Green Enamel over Hammered Finish

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 Green Enamel over Hammered Finish

green-enamel-over-hammered-finish

MSRP $1,799

At a glance

19 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Green Enamel over Hammered Finish38mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Green Enamel over Hammered Finish45h

Water Resistance

Ref. 5303 Diving Chronometer300m

Green Enamel over Hammered Finish100m

MSRP

Ref. 5303 Diving Chronometer$1,768

Green Enamel over Hammered Finish$1,799

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

$1,799

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