Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Bremont ionBird?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $5,800 for the Bremont ionBird — a $3,795 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Bremont ionBird?

The Bremont ionBird wears larger at 43mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 4mm difference across the dial.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Bremont ionBird?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the Bremont ionBird.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsBremont ionBird

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

Bremont ionBird

IONBIRDMODEL12020-R-S

MSRP $5,800

At a glance

14 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

ionBird43mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

ionBird40h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

ionBird—

MSRP

Ref. 5330 Diving Chronometer Date$2,005

ionBird$5,800

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Black

Regular length (15cm - 19cm wrist size)

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

SoProd M100

—

Power Reserve

42h

40h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$5,800

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