Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the CWC Mellor-72 Mechanical Watch?

At MSRP the CWC Mellor-72 Mechanical Watch is the cheaper of the two at $499, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,506 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the CWC Mellor-72 Mechanical Watch?

The Serica Ref. 5330 Diving Chronometer Date wears larger at 39mm versus 38mm for the CWC Mellor-72 Mechanical Watch — a 1mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the CWC Mellor-72 Mechanical Watch?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 50m for the CWC Mellor-72 Mechanical Watch.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the CWC Mellor-72 Mechanical Watch?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the CWC Mellor-72 Mechanical Watch.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the CWC Mellor-72 Mechanical Watch?

The Serica Ref. 5330 Diving Chronometer Date runs a automatic caliber (SoProd M100), while the CWC Mellor-72 Mechanical Watch runs a manual (Sellita SW210).

Side by side

Serica Ref. 5330 Diving Chronometer DatevsCWC Mellor-72 Mechanical Watch

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

Serica Ref. 5330 Diving Chronometer Date

5330-chronometre-plongee-date

MSRP $2,005

CWC Mellor-72 Mechanical Watch

cwc-navigator-mechanical-hand-wound-gs-watch-1970-pattern

MSRP $499

At a glance

14 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Mellor-72 Mechanical Watch38mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Mellor-72 Mechanical Watch40h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Mellor-72 Mechanical Watch50m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Mellor-72 Mechanical Watch$499

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Acrylic

AR Coating

Yes

Inner

Dial Color

Black

CWC Mellor-72 Mechanical Watch

Movement

4 specs

Caliber

SoProd M100

Sellita SW210

Type

Automatic

Manual

Power Reserve

42h

40h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$499

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