How to Set a Moonphase Watch

Understanding Moonphase

The display shows current lunar phase. Cycle completes every 29.5 days. Accuracy varies by movement quality. Beautiful complication with astronomical roots.

Initial Setting

Find current moon phase from calendar or app. Advance moonphase to match current phase. Never adjust during date change period. Consult manual for specific procedure.

Adjustment Frequency

Basic moonphases need correction every 2-3 years. High-accuracy versions run centuries without adjustment. Track accuracy and correct as needed.

Care Considerations

Moonphase mechanisms are delicate. Avoid rapid crown advancement. Professional service maintains accuracy.