Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Orient 75th Anniversary Stretto?

At MSRP the Orient 75th Anniversary Stretto is the cheaper of the two at $450, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,555 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Orient 75th Anniversary Stretto?

The Orient 75th Anniversary Stretto wears larger at 41.5mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 2.5mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Orient 75th Anniversary Stretto?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 50m for the Orient 75th Anniversary Stretto.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Orient 75th Anniversary Stretto?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the Orient 75th Anniversary Stretto.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Orient 75th Anniversary Stretto?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Orient 75th Anniversary Stretto uses the F6B24.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsOrient 75th Anniversary Stretto

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 75th Anniversary Stretto

ra-ak0311n30b

MSRP $450

At a glance

16 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

75th Anniversary Stretto41.5mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

75th Anniversary Stretto40h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

75th Anniversary Stretto50m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

75th Anniversary Stretto$450

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Black

Grey

Lume

Super-LumiNova

None

Movement

5 specs

Caliber

SoProd M100

F6B24

Beat Rate

28,800 vph

21,600 vph

Power Reserve

42h

40h

Jewels

Complications

COSC, Date

GMT, Day-date

Pricing

1 specs

MSRP

$2,005

$450

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