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

At MSRP the Serica Ref. 5303 Diving Chronometer is the cheaper of the two at $1,768, against $2,199 for the Henry Archer Kvantum — a $431 gap before any retailer discounting.

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

The Henry Archer Kvantum 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 Henry Archer Kvantum?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 50m for the Henry Archer Kvantum.

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

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

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

The Serica Ref. 5303 Diving Chronometer runs a automatic caliber (M100 COSC), while the Henry Archer Kvantum runs a quartz (Seiko VK64).

Side by side

Serica Ref. 5303 Diving ChronometervsHenry Archer Kvantum

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 Kvantum

5744002550563

MSRP $2,199

At a glance

14 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Kvantum41mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Kvantum40h

Water Resistance

Ref. 5303 Diving Chronometer300m

Kvantum50m

MSRP

Ref. 5303 Diving Chronometer$1,768

Kvantum$2,199

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

Tan

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

M100 COSC

Seiko VK64

Type

Automatic

Quartz

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$2,199

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