Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Orient AA08 Diver Watch?

At MSRP the Orient AA08 Diver Watch is the cheaper of the two at $390, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,615 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Orient AA08 Diver Watch?

The Orient AA08 Diver Watch wears larger at 41.8mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 2.8mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Orient AA08 Diver Watch?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Orient AA08 Diver Watch.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Orient AA08 Diver Watch?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the Orient AA08 Diver Watch.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Orient AA08 Diver Watch?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Orient AA08 Diver Watch uses the F6922.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsOrient AA08 Diver 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

Orient AA08 Diver Watch

ra-aa0810n39b

MSRP $390

At a glance

14 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

AA08 Diver Watch41.8mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

AA08 Diver Watch40h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

AA08 Diver Watch200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

AA08 Diver Watch$390

Full specifications

Case

5 specs

Diameter

39mm

41.8mm

Thickness

12.2mm

12.8mm

Lug-to-Lug

46.5mm

46.8mm

Lug Width

20mm

22mm

Water Resistance

300m

200m

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Black

Grey

Lume

Super-LumiNova

None

Movement

5 specs

Caliber

SoProd M100

F6922

Beat Rate

28,800 vph

21,600 vph

Power Reserve

42h

40h

Jewels

Complications

COSC, Date

Day-date

Pricing

1 specs

MSRP

$2,005

$390

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