Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Tudor Black Bay 68?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $5,475 for the Tudor Black Bay 68 — a $3,470 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Tudor Black Bay 68?

The Tudor Black Bay 68 wears larger at 43mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 4mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Tudor Black Bay 68?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Tudor Black Bay 68.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Tudor Black Bay 68?

The Tudor Black Bay 68 carries a 70-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 Black Bay 68?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Tudor Black Bay 68 uses the MT5601-U.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsTudor Black Bay 68

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 Black Bay 68

m7943a1a0nu-0001

MSRP $5,475

At a glance

19 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Black Bay 6843mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Black Bay 6870h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Black Bay 68200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Black Bay 68$5,475

Full specifications

Case

7 specs

Diameter

39mm

43mm

Thickness

12.2mm

13.6mm

Lug-to-Lug

46.5mm

46mm

Lug Width

20mm

22mm

Finish

Brushed and polished

Polished + Satin

Water Resistance

300m

200m

Caseback

Solid

Solid screw-down

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Yes

—

Dial Color

Black

Blue

Lume

Super-LumiNova

None

Movement

7 specs

Caliber

SoProd M100

MT5601-U

Beat Rate

28,800 vph

0 vph

Power Reserve

42h

70h

Jewels

Hacking

Yes

Hand-winding

Yes

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$5,475

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