RONDA Manuals & User Guides

RONDA AG (also known as Ronda S.A. or Ronda Ltd.) is one of the world's most prominent and respected manufacturers of mechanical watch movements and precision quartz movements. This Swiss-based company has been committed to time for decades, creating reliable and innovative timekeeping components used by watch brands globally.

From the reliable Powertech series to highly specialized solar and chrono movements, RONDA mechanisms are synonymous with Swiss precision, durability, and craftsmanship.

• What type of battery does the RONDA 515 use?

  The RONDA 515 movement typically uses a 371 or SR920SW (1.5 V) battery cell, delivering up to 45 months of standard battery life.

• How do I remove the setting stem on a RONDA movement?

  In general, the setting stem can only be safely removed when the watch movement is in position I. Always refer to your specific caliber manual to prevent damage.

• Are RONDA movements repairable?

  Yes, many RONDA movements, such as the caliber 515, feature repairable metal constructions and replaceable parts.

• Who should perform maintenance or repairs on RONDA movements?

  It is highly recommended that all repairs, part exchanges, and movement replacements are carried out by professional watch technicians to avoid damaging sensitive components like the coil or solar cells.