Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Henry Archer Nordlys?

At MSRP the Serica Ref. 5303 Diving Chronometer is the cheaper of the two at $1,768, against $3,299 for the Henry Archer Nordlys — a $1,531 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Henry Archer Nordlys?

The Henry Archer Nordlys wears larger at 42mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 3mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Henry Archer Nordlys?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 200m for the Henry Archer Nordlys.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Henry Archer Nordlys?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the Henry Archer Nordlys.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Henry Archer Nordlys?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Henry Archer Nordlys uses the Miyota 9015.

Side by side

Serica Ref. 5303 Diving ChronometervsHenry Archer Nordlys

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

Serica Ref. 5303 Diving Chronometer

5303-1-diving-chronometer

MSRP $1,768

Henry Archer Nordlys

5744002550358

MSRP $3,299

At a glance

13 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Nordlys42mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Nordlys40h

Water Resistance

Ref. 5303 Diving Chronometer300m

Nordlys200m

MSRP

Ref. 5303 Diving Chronometer$1,768

Nordlys$3,299

Full specifications

Case

5 specs

Diameter

39mm

42mm

Thickness

12.2mm

11mm

Lug-to-Lug

46.5mm

—

Material

Stainless Steel

316L Stainless Steel

Water Resistance

300m

200m

Crystal & Dial

4 specs

Crystal

Sapphire

Domed Sapphire

AR Coating

Yes

Inner

Dial Color

Enamel Black

Blue

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

M100 COSC

Miyota 9015

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$3,299

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