Which is cheaper, the Serica Ref. 8315 Travel Chronometer or the Orient RA-AK03 Version 5 Classic Watch?

At MSRP the Orient RA-AK03 Version 5 Classic Watch is the cheaper of the two at $420, against $2,479 for the Serica Ref. 8315 Travel Chronometer — a $2,059 gap before any retailer discounting.

Which is bigger, the Serica Ref. 8315 Travel Chronometer or the Orient RA-AK03 Version 5 Classic Watch?

The Orient RA-AK03 Version 5 Classic Watch wears larger at 41.5mm versus 39mm for the Serica Ref. 8315 Travel Chronometer — a 2.5mm difference across the dial.

Which has better water resistance, the Serica Ref. 8315 Travel Chronometer or the Orient RA-AK03 Version 5 Classic Watch?

The Serica Ref. 8315 Travel Chronometer is rated to 200m versus 50m for the Orient RA-AK03 Version 5 Classic Watch.

Which has a longer power reserve, the Serica Ref. 8315 Travel Chronometer or the Orient RA-AK03 Version 5 Classic Watch?

The Serica Ref. 8315 Travel Chronometer carries a 42-hour power reserve against 40 hours on the Orient RA-AK03 Version 5 Classic Watch.

What movement does the Serica Ref. 8315 Travel Chronometer run compared to the Orient RA-AK03 Version 5 Classic Watch?

Both watches run automatic movements — the Serica Ref. 8315 Travel Chronometer uses the SOPROD C125 COSC and the Orient RA-AK03 Version 5 Classic Watch uses the F6B24.

Side by side

Serica Ref. 8315 Travel ChronometervsOrient RA-AK03 Version 5 Classic Watch

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Serica Ref. 8315 Travel Chronometer

8315-1-travel-chronometer

MSRP $2,479

Orient RA-AK03 Version 5 Classic Watch

ra-ak0306s30b

MSRP $420

At a glance

16 of 29 specs differ

Diameter

Ref. 8315 Travel Chronometer39mm

RA-AK03 Version 5 Classic Watch41.5mm

Power Reserve

Ref. 8315 Travel Chronometer42h

RA-AK03 Version 5 Classic Watch40h

Water Resistance

Ref. 8315 Travel Chronometer200m

RA-AK03 Version 5 Classic Watch50m

MSRP

Ref. 8315 Travel Chronometer$2,479

RA-AK03 Version 5 Classic Watch$420

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

GMT - Enamel Black

White

Lume

Super-LumiNova

None

Movement

5 specs

Caliber

SOPROD C125 COSC

F6B24

Beat Rate

28,800 vph

21,600 vph

Power Reserve

42h

40h

Jewels

Complications

GMT, COSC

GMT, Day-date

Pricing

1 specs

MSRP

$2,479

$420

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