Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Oblvlo XM Racing?

At MSRP the Oblvlo XM Racing is the cheaper of the two at $269, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $1,499 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Oblvlo XM Racing?

The Oblvlo XM Racing wears larger at 42mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 3mm difference across the dial.

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

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

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

The Oblvlo XM Racing carries a 42-hour power reserve against 42 hours on the Serica Ref. 5303 Diving Chronometer.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Oblvlo XM Racing?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Oblvlo XM Racing uses the Miyota 82S7.

Side by side

Serica Ref. 5303 Diving ChronometervsOblvlo XM Racing

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 XM Racing

XM-RACING

MSRP $269

At a glance

12 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

XM Racing42mm

Power Reserve

Ref. 5303 Diving Chronometer42h

XM Racing42h

Water Resistance

Ref. 5303 Diving Chronometer300m

XM Racing50m

MSRP

Ref. 5303 Diving Chronometer$1,768

XM Racing$269

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

Black

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

M100 COSC

Miyota 82S7

Power Reserve

42h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$269

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Serica Ref. 5303 Diving ChronometervsOblvlo XM Racing

At a glance

Full specifications

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