Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Tudor Pelagos Ultra?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $6,900 for the Tudor Pelagos Ultra — a $4,895 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Tudor Pelagos Ultra?

The Tudor Pelagos Ultra wears larger at 40mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 1mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Tudor Pelagos Ultra?

The Tudor Pelagos Ultra is rated to 1000m versus 300m for the Serica Ref. 5330 Diving Chronometer Date.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Tudor Pelagos Ultra?

The Tudor Pelagos Ultra carries a 65-hour power reserve against 42 hours on the Serica Ref. 5330 Diving Chronometer Date.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Tudor Pelagos Ultra?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Tudor Pelagos Ultra uses the MT5612-U.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsTudor Pelagos Ultra

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

Serica Ref. 5330 Diving Chronometer Date

5330-chronometre-plongee-date

MSRP $2,005

Tudor Pelagos Ultra

m2543c1a7nu-0001

MSRP $6,900

At a glance

20 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Pelagos Ultra40mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Pelagos Ultra65h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Pelagos Ultra1,000m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Pelagos Ultra$6,900

Full specifications

Case

8 specs

Diameter

39mm

40mm

Thickness

12.2mm

14.5mm

Lug-to-Lug

46.5mm

46mm

Lug Width

20mm

22mm

Material

Stainless Steel

Titanium

Finish

Brushed and polished

Satin

Water Resistance

300m

1000m

Caseback

Solid

Solid screw-down

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Yes

—

Indices

Applied

—

Lume

Super-LumiNova

None

Movement

7 specs

Caliber

SoProd M100

MT5612-U

Beat Rate

28,800 vph

0 vph

Power Reserve

42h

65h

Jewels

Hacking

Yes

Hand-winding

Yes

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$6,900

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