Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the William Wood Fire Watch?

At MSRP the William Wood Fire Watch is the cheaper of the two at $995, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,010 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the William Wood Fire Watch?

The William Wood Fire Watch wears larger at 41mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 2mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the William Wood Fire Watch?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 100m for the William Wood Fire Watch.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the William Wood Fire Watch?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the William Wood Fire Watch.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the William Wood Fire Watch?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the William Wood Fire Watch uses the Seiko NH35.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsWilliam Wood Fire Watch

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

William Wood Fire Watch

firewatch

MSRP $995

At a glance

13 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Fire Watch41mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Fire Watch40h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Fire Watch100m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Fire Watch$995

Full specifications

Case

5 specs

Diameter

39mm

41mm

Thickness

12.2mm

15mm

Lug-to-Lug

46.5mm

49mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

300m

100m

Crystal & Dial

4 specs

Crystal

Sapphire

Domed Sapphire

AR Coating

Yes

Inner

Dial Color

Black

Steel

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

SoProd M100

Seiko NH35

Power Reserve

42h

40h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$995

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