Which is cheaper, the Serica Ref. 8315 Travel Chronometer or the Grand Seiko SBGA385?

At MSRP the Serica Ref. 8315 Travel Chronometer is the cheaper of the two at $2,479, against $53,000 for the Grand Seiko SBGA385 — a $50,521 gap before any retailer discounting.

Which is bigger, the Serica Ref. 8315 Travel Chronometer or the Grand Seiko SBGA385?

The Grand Seiko SBGA385 wears larger at 40mm versus 39mm for the Serica Ref. 8315 Travel Chronometer — a 1mm difference across the dial.

Which has better water resistance, the Serica Ref. 8315 Travel Chronometer or the Grand Seiko SBGA385?

The Serica Ref. 8315 Travel Chronometer is rated to 200m versus 100m for the Grand Seiko SBGA385.

Which has a longer power reserve, the Serica Ref. 8315 Travel Chronometer or the Grand Seiko SBGA385?

The Grand Seiko SBGA385 carries a 72-hour power reserve against 42 hours on the Serica Ref. 8315 Travel Chronometer.

What movement does the Serica Ref. 8315 Travel Chronometer run compared to the Grand Seiko SBGA385?

The Serica Ref. 8315 Travel Chronometer runs a automatic caliber (SOPROD C125 COSC), while the Grand Seiko SBGA385 runs a spring drive (9R15).

Side by side

Serica Ref. 8315 Travel ChronometervsGrand Seiko SBGA385

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

Grand Seiko SBGA385

sbga385g

MSRP $53,000

At a glance

14 of 29 specs differ

Diameter

Ref. 8315 Travel Chronometer39mm

SBGA38540mm

Power Reserve

Ref. 8315 Travel Chronometer42h

SBGA38572h

Water Resistance

Ref. 8315 Travel Chronometer200m

SBGA385100m

MSRP

Ref. 8315 Travel Chronometer$2,479

SBGA385$53,000

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Dial Color

GMT - Enamel Black

Black

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

SOPROD C125 COSC

9R15

Type

Automatic

Spring Drive

Power Reserve

42h

72h

Complications

GMT, COSC

None

Pricing

1 specs

MSRP

$2,479

$53,000

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