Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Oblvlo TM Mechanical?

At MSRP the Oblvlo TM Mechanical is the cheaper of the two at $149, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $1,619 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Oblvlo TM Mechanical?

The Oblvlo TM Mechanical wears larger at 41mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 2mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Oblvlo TM Mechanical?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 50m for the Oblvlo TM Mechanical.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Oblvlo TM Mechanical?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the Oblvlo TM Mechanical.

Side by side

Serica Ref. 5303 Diving ChronometervsOblvlo TM Mechanical

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

Serica Ref. 5303 Diving Chronometer

5303-1-diving-chronometer

MSRP $1,768

Oblvlo TM Mechanical

TM-MUT

MSRP $149

At a glance

11 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

TM Mechanical41mm

Power Reserve

Ref. 5303 Diving Chronometer42h

TM Mechanical40h

Water Resistance

Ref. 5303 Diving Chronometer300m

TM Mechanical50m

MSRP

Ref. 5303 Diving Chronometer$1,768

TM Mechanical$149

Full specifications

Case

5 specs

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

Black

Movement

3 specs

Caliber

M100 COSC

—

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$149

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