Moonphase settings have gotten complicated with all the adjustment procedures flying around. Here’s how to set and maintain this beautiful complication.
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
Probably should have led with this section, honestly. 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.