Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Decima Gatekeeper?

At MSRP the Decima Gatekeeper is the cheaper of the two at $599, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,406 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Decima Gatekeeper?

The Serica Ref. 5330 Diving Chronometer Date wears larger at 39mm versus 38mm for the Decima Gatekeeper — a 1mm difference across the dial.

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

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 50m for the Decima Gatekeeper.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Decima Gatekeeper?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Decima Gatekeeper uses the Miyota 9039.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsDecima Gatekeeper

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

Decima Gatekeeper

gatekeeper-white

MSRP $599

At a glance

11 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Gatekeeper38mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Gatekeeper42h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Gatekeeper50m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Gatekeeper$599

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

Black

White

Lume

Super-LumiNova

None

Movement

2 specs

Caliber

SoProd M100

Miyota 9039

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$599

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

HELMmicro

Follow this matchup

Get a note when Serica Ref. 5330 Diving Chronometer Date vs Decima Gatekeeper gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Serica Ref. 5303 Diving ChronometervsDecima Gatekeeper Decima GatekeepervsHELM Komodo Decima GatekeepervsVenezianico Nereide Avventurina Nera Christopher Ward C60 Atoll 300vsDecima Gatekeeper Serica Ref. 5330 Diving Chronometer DatevsMark Time Watches M 6 Serica Ref. 5330 Diving Chronometer DatevsNaga Watches Opera

Edit this comparison Add another watch Explore more 37–40mm watches

Serica Ref. 5330 Diving Chronometer DatevsDecima Gatekeeper

At a glance

Full specifications

More watches worth a look

Komodo

M 6

Nereide Avventurina Nera

Opera

C60 Atoll 300

DM01

C60 Trident Pro 300

Spire

Follow this matchup

People also compared