Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Orient Bambino Open Heart?

At MSRP the Orient Bambino Open Heart is the cheaper of the two at $315, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,690 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Orient Bambino Open Heart?

The Orient Bambino Open Heart wears larger at 40.5mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 1.5mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Orient Bambino Open Heart?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 30m for the Orient Bambino Open Heart.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Orient Bambino Open Heart?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the Orient Bambino Open Heart.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Orient Bambino Open Heart?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Orient Bambino Open Heart uses the FT622.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsOrient Bambino Open Heart

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

Orient Bambino Open Heart

ra-ag0001s30b

MSRP $315

At a glance

19 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Bambino Open Heart40.5mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Bambino Open Heart40h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Bambino Open Heart30m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Bambino Open Heart$315

Full specifications

Case

7 specs

Crystal & Dial

6 specs

Crystal

Sapphire

Mineral

Crystal Shape

Flat

—

AR Coating

Yes

—

Dial Color

Black

White

Indices

Applied

—

Lume

Super-LumiNova

None

Movement

5 specs

Caliber

SoProd M100

FT622

Beat Rate

28,800 vph

21,600 vph

Power Reserve

42h

40h

Jewels

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$315

Follow this matchup

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

Keep exploring