Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Duxot Henri Diver Automatic?

At MSRP the Duxot Henri Diver Automatic is the cheaper of the two at $169, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $1,599 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Duxot Henri Diver Automatic?

The Duxot Henri Diver Automatic wears larger at 41mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 2mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Duxot Henri Diver Automatic?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 200m for the Duxot Henri Diver Automatic.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Duxot Henri Diver Automatic?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the Duxot Henri Diver Automatic.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Duxot Henri Diver Automatic?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Duxot Henri Diver Automatic uses the Seiko NH35.

Side by side

Serica Ref. 5303 Diving ChronometervsDuxot Henri Diver Automatic

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

Add a watch

Serica Ref. 5303 Diving Chronometer

5303-1-diving-chronometer

MSRP $1,768

Duxot Henri Diver Automatic

DX-2060-33

MSRP $169

At a glance

18 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Henri Diver Automatic41mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Henri Diver Automatic40h

Water Resistance

Ref. 5303 Diving Chronometer300m

Henri Diver Automatic200m

MSRP

Ref. 5303 Diving Chronometer$1,768

Henri Diver Automatic$169

Full specifications

Case

7 specs

Diameter

39mm

41mm

Thickness

12.2mm

15mm

Lug-to-Lug

46.5mm

47mm

Lug Width

20mm

—

Finish

Brushed and polished

Stainless Steel

Water Resistance

300m

200m

Caseback

Solid

—

Crystal & Dial

5 specs

Crystal Shape

Flat

—

AR Coating

Yes

—

Dial Color

Enamel Black

Green

Indices

Applied

—

Lume

Super-LumiNova

None

Movement

5 specs

Caliber

M100 COSC

Seiko NH35

Beat Rate

28,800 vph

0 vph

Power Reserve

42h

40h

Jewels

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$169

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At a glance

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