Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Sheffield Allsport Diver 1?

The Sheffield Allsport Diver 1 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 Sheffield Allsport Diver 1?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 200m for the Sheffield Allsport Diver 1.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Sheffield Allsport Diver 1?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Sheffield Allsport Diver 1 uses the Seiko NH35.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsSheffield Allsport Diver 1

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

Sheffield Allsport Diver 1

allsport-1-classic-blue-dial-steel-bezel-left-side-crown

At a glance

12 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Allsport Diver 140mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Allsport Diver 1—

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Allsport Diver 1200m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Allsport Diver 1—

Full specifications

Case

5 specs

Diameter

39mm

40mm

Thickness

12.2mm

13mm

Lug-to-Lug

46.5mm

48mm

Lug Width

20mm

—

Water Resistance

300m

200m

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Black

Blue

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

SoProd M100

Seiko NH35

Power Reserve

42h

—

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

—

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Serica Ref. 5330 Diving Chronometer DatevsSheffield Allsport Diver 1

At a glance

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