Which is cheaper, the Serica Ref. 8315 Travel Chronometer or the Oblvlo BLM Trisome?

At MSRP the Oblvlo BLM Trisome is the cheaper of the two at $294, against $2,479 for the Serica Ref. 8315 Travel Chronometer — a $2,185 gap before any retailer discounting.

Which is bigger, the Serica Ref. 8315 Travel Chronometer or the Oblvlo BLM Trisome?

The Oblvlo BLM Trisome wears larger at 41mm versus 39mm for the Serica Ref. 8315 Travel Chronometer — a 2mm difference across the dial.

Which has better water resistance, the Serica Ref. 8315 Travel Chronometer or the Oblvlo BLM Trisome?

The Serica Ref. 8315 Travel Chronometer is rated to 200m versus 50m for the Oblvlo BLM Trisome.

Which has a longer power reserve, the Serica Ref. 8315 Travel Chronometer or the Oblvlo BLM Trisome?

The Oblvlo BLM Trisome carries a 42-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 Oblvlo BLM Trisome?

Both watches run automatic movements — the Serica Ref. 8315 Travel Chronometer uses the SOPROD C125 COSC and the Oblvlo BLM Trisome uses the Miyota 8215.

Side by side

Serica Ref. 8315 Travel ChronometervsOblvlo BLM Trisome

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

Oblvlo BLM Trisome

BLM-TRISOME

MSRP $294

At a glance

12 of 29 specs differ

Diameter

Ref. 8315 Travel Chronometer39mm

BLM Trisome41mm

Power Reserve

Ref. 8315 Travel Chronometer42h

BLM Trisome42h

Water Resistance

Ref. 8315 Travel Chronometer200m

BLM Trisome50m

MSRP

Ref. 8315 Travel Chronometer$2,479

BLM Trisome$294

Full specifications

Case

5 specs

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Dial Color

GMT - Enamel Black

Black

Movement

4 specs

Caliber

SOPROD C125 COSC

Miyota 8215

Power Reserve

42h

Jewels

Complications

GMT, COSC

None

Pricing

1 specs

MSRP

$2,479

$294

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