Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Studio Underd0g Midnight?

At MSRP the Studio Underd0g Midnight is the cheaper of the two at $800, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $968 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Studio Underd0g Midnight?

The Studio Underd0g Midnight wears larger at 39.5mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 0.5mm difference across the dial.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Studio Underd0g Midnight?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the Studio Underd0g Midnight.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Studio Underd0g Midnight?

The Serica Ref. 5303 Diving Chronometer runs a automatic caliber (M100 COSC), while the Studio Underd0g Midnight runs a manual.

Side by side

Serica Ref. 5303 Diving ChronometervsStudio Underd0g Midnight

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

Studio Underd0g Midnight

02bkg

MSRP $800

At a glance

14 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Midnight39.5mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Midnight40h

Water Resistance

Ref. 5303 Diving Chronometer300m

Midnight—

MSRP

Ref. 5303 Diving Chronometer$1,768

Midnight$800

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

Standard

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

M100 COSC

—

Type

Automatic

Manual

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$800

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