Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Shiro Kara Daibāzu: Kuro SUB?

At MSRP the Shiro Kara Daibāzu: Kuro SUB is the cheaper of the two at $518, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,487 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Shiro Kara Daibāzu: Kuro SUB?

The Shiro Kara Daibāzu: Kuro SUB 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 Shiro Kara Daibāzu: Kuro SUB?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 100m for the Shiro Kara Daibāzu: Kuro SUB.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Shiro Kara Daibāzu: Kuro SUB?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 41 hours on the Shiro Kara Daibāzu: Kuro SUB.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Shiro Kara Daibāzu: Kuro SUB?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Shiro Kara Daibāzu: Kuro SUB uses the Seiko NH35.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsShiro Kara Daibāzu: Kuro SUB

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

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Serica Ref. 5330 Diving Chronometer Date

5330-chronometre-plongee-date

MSRP $2,005

Shiro Kara Daibāzu: Kuro SUB

kuro-sub

MSRP $518

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Buy used on eBay ↗

Buy from Shiro Kara ↗

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At a glance

13 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Daibāzu: Kuro SUB40mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Daibāzu: Kuro SUB41h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Daibāzu: Kuro SUB100m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Daibāzu: Kuro SUB$518

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Black

—

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

SoProd M100

Seiko NH35

Power Reserve

42h

41h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$518

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Serica Ref. 5330 Diving Chronometer DatevsShiro Kara Daibāzu: Kuro SUB

At a glance

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