Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Spinnaker Noir Radiance?

At MSRP the Spinnaker Noir Radiance is the cheaper of the two at $420, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $1,348 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Spinnaker Noir Radiance?

The Spinnaker Noir Radiance 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 Spinnaker Noir Radiance?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 180m for the Spinnaker Noir Radiance.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Spinnaker Noir Radiance?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the Spinnaker Noir Radiance.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Spinnaker Noir Radiance?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Spinnaker Noir Radiance uses the SII NH35A.

Side by side

Serica Ref. 5303 Diving ChronometervsSpinnaker Noir Radiance

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

Spinnaker Noir Radiance

bradner-automatic-noir-radiance-sp-5062-44

MSRP $420

At a glance

13 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Noir Radiance42mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Noir Radiance40h

Water Resistance

Ref. 5303 Diving Chronometer300m

Noir Radiance180m

MSRP

Ref. 5303 Diving Chronometer$1,768

Noir Radiance$420

Full specifications

Case

6 specs

Diameter

39mm

42mm

Thickness

12.2mm

15mm

Lug-to-Lug

46.5mm

50mm

Lug Width

20mm

22mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

300m

180m

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

Noir Radiance

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

M100 COSC

SII NH35A

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$420

Follow this matchup

Get a note when Serica Ref. 5303 Diving Chronometer vs Spinnaker Noir Radiance gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring