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Independent, unofficial guide. Not affiliated with OMEGA SA, Swatch AG or The Swatch Group.
Illustration of the Frederique Constant Classics Heart Beat Moonphase Date (FC-335) dial (our own drawing, not a product photo)
Frederique Constant · Other brands

How to set up the Frederique Constant Classics Heart Beat Moonphase Date (FC-335)

Ref. e.g. FC-335MC4P6 · cal. FC-335
Verified Time Date Moon phase Hand-wound

Short answer: First move the hands to between 6 and 9 o'clock with the crown at position 2. Then pull it to position 1. Turning right moves the moon, one full turn per step. Turning left moves the date. Finish by setting the time at position 2.

Source manual is the Japanese edition; translated by us.

Frederique Constant Classics Heart Beat Moonphase Date (FC-335) at a glance

Example referenceFC-335MC4P6 (40 mm, 6 ATM)
CalibreFC-335, automatic on a Sellita SW200 base, 38 hours, 28,800 vph
Crown0 = winding, 1 = moon (right) and date (left), 2 = time
Before setting moon or dateHands between 6 and 9 o'clock
DisplayHeart Beat opening at 12 o'clock, date by pointer, moon phase
Short monthsCorrect the date on the 1st of March, May, July, October and December
Accuracy and winderFrederique Constant quotes −5 to +24 s/day. On a winder: both directions, 650 turns a day.
Want pictures of each button press and today's moon for your location? Use the interactive guide.Open the interactive guide →

What do you need to set on the Frederique Constant Classics Heart Beat Moonphase Date (FC-335)?

Moon phase wrong

Set up moon phase on the Frederique Constant Classics Heart Beat Moonphase Date (FC-335)

  1. 1

    Hands to 6–9 o'clock first

    Required by the manual, AM or PM. Crown to 2 and move the hands.

  2. 2

    Crown to 1, turn right

    Each full turn moves the moon one step. Match tonight's moon.

  3. 3

    Reset the time

    Crown to 2, set the time, push to 0.

Date is wrong

Set up the date on the Frederique Constant Classics Heart Beat Moonphase Date (FC-335)

  1. 1

    Hands to 6–9 o'clock first

    Crown to 2 and move the hands.

  2. 2

    Crown to 1, turn left

    Set the date, then reset the time.

Time is wrong

Set the time on the Frederique Constant Classics Heart Beat Moonphase Date (FC-335)

  1. 1

    Crown to 2

    Pull fully out.

  2. 2

    Set the time

    Push to 0 on a time signal.

What owners run into

How the Frederique Constant Classics Heart Beat Moonphase Date (FC-335) differs from similar watches

Like the FC-705, it is a Frederique Constant moonphase, but the FC-335 sets the moon directly with the crown at position 1. On the FC-705 the moon follows the hour hand.

Quick answers

Why do I need the hands between 6 and 9 o'clock on the FC-335?

Frederique Constant's manual asks for it before you set the moon or date, to keep clear of the calendar change.

How much does one crown turn move the moon on the FC-335?

One full turn moves the moon one step.

Set up by complication

Sources