Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Oblvlo BLM Trisome?

At MSRP the Oblvlo BLM Trisome is the cheaper of the two at $294, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,711 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Oblvlo BLM Trisome?

The Oblvlo BLM Trisome wears larger at 41mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 2mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Oblvlo BLM Trisome?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 50m for the Oblvlo BLM Trisome.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Oblvlo BLM Trisome?

The Oblvlo BLM Trisome carries a 42-hour power reserve against 42 hours on the Serica Ref. 5330 Diving Chronometer Date.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Oblvlo BLM Trisome?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Oblvlo BLM Trisome uses the Miyota 8215.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsOblvlo BLM Trisome

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

Oblvlo BLM Trisome

BLM-TRISOME

MSRP $294

At a glance

11 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

BLM Trisome41mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

BLM Trisome42h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

BLM Trisome50m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

BLM Trisome$294

Full specifications

Case

5 specs

Crystal & Dial

1 specs

AR Coating

Yes

Inner

Movement

4 specs

Caliber

SoProd M100

Miyota 8215

Power Reserve

42h

Jewels

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$294

Follow this matchup

Get a note when Serica Ref. 5330 Diving Chronometer Date vs Oblvlo BLM Trisome gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring