Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Sugess Seakors Tourbillon SE8004?

At MSRP the Sugess Seakors Tourbillon SE8004 is the cheaper of the two at $1,199, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $569 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Sugess Seakors Tourbillon SE8004?

The Sugess Seakors Tourbillon SE8004 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 Sugess Seakors Tourbillon SE8004?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 50m for the Sugess Seakors Tourbillon SE8004.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Sugess Seakors Tourbillon SE8004?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the Sugess Seakors Tourbillon SE8004.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Sugess Seakors Tourbillon SE8004?

The Serica Ref. 5303 Diving Chronometer runs a automatic caliber (M100 COSC), while the Sugess Seakors Tourbillon SE8004 runs a automatic tourbillon (ST8004).

Side by side

Serica Ref. 5303 Diving ChronometervsSugess Seakors Tourbillon SE8004

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

Sugess Seakors Tourbillon SE8004

SE8004

MSRP $1,199

At a glance

16 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Seakors Tourbillon SE800441mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Seakors Tourbillon SE800440h

Water Resistance

Ref. 5303 Diving Chronometer300m

Seakors Tourbillon SE800450m

MSRP

Ref. 5303 Diving Chronometer$1,768

Seakors Tourbillon SE8004$1,199

Full specifications

Case

8 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

Black

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

M100 COSC

ST8004

Beat Rate

28,800 vph

3 vph

Power Reserve

42h

40h

Complications

COSC

GMT, Moonphase, Day-date, Date

Pricing

1 specs

MSRP

$1,768

$1,199

Follow this matchup

Get a note when Serica Ref. 5303 Diving Chronometer vs Sugess Seakors Tourbillon SE8004 gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring