Which is cheaper, the Serica Ref. 8315 Travel Chronometer or the TSAO Baltimore Bronze Bitcoin - Meteorite?

At MSRP the TSAO Baltimore Bronze Bitcoin - Meteorite is the cheaper of the two at $1,399, against $2,479 for the Serica Ref. 8315 Travel Chronometer — a $1,080 gap before any retailer discounting.

Which is bigger, the Serica Ref. 8315 Travel Chronometer or the TSAO Baltimore Bronze Bitcoin - Meteorite?

The TSAO Baltimore Bronze Bitcoin - Meteorite wears larger at 43mm versus 39mm for the Serica Ref. 8315 Travel Chronometer — a 4mm difference across the dial.

Which has a longer power reserve, the Serica Ref. 8315 Travel Chronometer or the TSAO Baltimore Bronze Bitcoin - Meteorite?

The Serica Ref. 8315 Travel Chronometer carries a 42-hour power reserve against 40 hours on the TSAO Baltimore Bronze Bitcoin - Meteorite.

What movement does the Serica Ref. 8315 Travel Chronometer run compared to the TSAO Baltimore Bronze Bitcoin - Meteorite?

Both watches run automatic movements — the Serica Ref. 8315 Travel Chronometer uses the Soprod C125 and the TSAO Baltimore Bronze Bitcoin - Meteorite uses the TSAO Baltimore MD-1.

Serica Ref. 8315 Travel ChronometervsTSAO Baltimore Bronze Bitcoin - Meteorite

Add a watch

Serica Ref. 8315 Travel Chronometer

MSRP $2,479

See the full watch

Buy from Serica Used on eBay

TSAO Baltimore Bronze Bitcoin - Meteorite

MSRP $1,399

See the full watch

Buy from TSAO Baltimore Used on eBay

The measurements

Sized up.

Catalogue photos are all shot at the same flattering size. These aren't: every case below shares one millimetre scale.

Ref. 8315 Travel Chronometer

Bronze Bitcoin - Meteorite

Diameter

Across the case, crown excluded.

39mm

43mm

Lug-to-Lug

The number that decides fit.

46.5mm

lowest

50mm

Thickness

How it sits under a cuff.

12.3mm

lowest

13.6mm

Water Resistance

Rated in metres, not marketing.

200m

Power Reserve

How long it runs off the wrist.

42h

highest

40h

MSRP

Sticker price, new.

$2,479

$1,399

lowest

Movement

What drives the hands.

Soprod C125

TSAO Baltimore MD-1

Spec

Ref. 8315 Travel Chronometer

Bronze Bitcoin - Meteorite

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Yes

n/a

Dial Color

GMT - Enamel Black

n/a

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Soprod C125

TSAO Baltimore MD-1

Power Reserve

42h

40h

Complications

GMT, COSC

None

Pricing

1 specs

MSRP

$2,479

$1,399

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