Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Brillier GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face?

At MSRP the Brillier GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face is the cheaper of the two at $795, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $973 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Brillier GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face?

The Serica Ref. 5303 Diving Chronometer wears larger at 39mm versus 38mm for the Brillier GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face — a 1mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Brillier GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 100m for the Brillier GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Brillier GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the Brillier GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face.

Side by side

Serica Ref. 5303 Diving ChronometervsBrillier GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face

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

Add a watch

Serica Ref. 5303 Diving Chronometer

5303-1-diving-chronometer

MSRP $1,768

Brillier GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face

gmt-dual-time-mechanical-1

MSRP $795

At a glance

12 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face38mm

Power Reserve

Ref. 5303 Diving Chronometer42h

GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face40h

Water Resistance

Ref. 5303 Diving Chronometer300m

GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face100m

MSRP

Ref. 5303 Diving Chronometer$1,768

GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face$795

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

—

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$795

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Serica Ref. 5303 Diving ChronometervsBrillier GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face

At a glance

Full specifications

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