Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Tudor Black Bay One 31 S&G?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $6,850 for the Tudor Black Bay One 31 S&G — a $4,845 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Tudor Black Bay One 31 S&G?

The Serica Ref. 5330 Diving Chronometer Date wears larger at 39mm versus 31mm for the Tudor Black Bay One 31 S&G — a 8mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Tudor Black Bay One 31 S&G?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 100m for the Tudor Black Bay One 31 S&G.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Tudor Black Bay One 31 S&G?

The Tudor Black Bay One 31 S&G carries a 50-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 One 31 S&G?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Tudor Black Bay One 31 S&G uses the MT5201.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsTudor Black Bay One 31 S&G

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 One 31 S&G

m79603-0001

MSRP $6,850

At a glance

14 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Black Bay One 31 S&G31mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Black Bay One 31 S&G50h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Black Bay One 31 S&G100m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Black Bay One 31 S&G$6,850

Full specifications

Case

8 specs

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

SoProd M100

MT5201

Power Reserve

42h

50h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$6,850

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