Of the models we have, I know the Privee comes in programmable and rotor wind. We do not have any rotor wind mechanism. I don't think I've seen STP ever sold Casetta with rotorwind. Orbita no longer makes Casetta because I don't see it on their website. I will defer your question to a link on another watch forum. Kevin from Orbita answered some questions there. I hope this link will help you http://www.watchtalkforums.info/forums/thread51062.html .
"The Rotorwind movement is based on the natural action of the wrist and is much easier to operate. Besides the ease of use, the main benefit is not having to remember which watch goes where. When you have several watches each set to a different setting you must always replace the watch in the exact same position. Not everyone functions this way and being able to put a watch back where ever you want is a nice feature.
While not as exact or precise as the Programmable movement, the Rotorwind is just as effective. You lose no reliability and will not cause any more wear than if the watch was on a Programmable winder or not. The settings we recommend in our watch database are based on the minimum setting to keep the watch wound. This means there is extra room to move up a setting and still not harm the watch or in some cases, fully 100% wind the watch. Really, when on the winder, the watch wind is maintained rather than replenished.
Often times, active individuals will achieve more than 800 TPD while wearing their watch during the course of the day. The watch knows no difference, it just winds and runs. When you walk down the street or move about the office, the watch does not know if you swing your wrist clockwise or counter clockwise thus switching back and forth from winding to excess wear. It's still spinning both directions."
When he said "on the winder, the watch wind is maintained rather than replenished", I suppose it helps at the end of the day to wind the watch a few times before you put it on a winder (if you plan not to wear it for a few days when you rotate watches).
"The Rotorwind movement is based on the natural action of the wrist and is much easier to operate. Besides the ease of use, the main benefit is not having to remember which watch goes where. When you have several watches each set to a different setting you must always replace the watch in the exact same position. Not everyone functions this way and being able to put a watch back where ever you want is a nice feature.
While not as exact or precise as the Programmable movement, the Rotorwind is just as effective. You lose no reliability and will not cause any more wear than if the watch was on a Programmable winder or not. The settings we recommend in our watch database are based on the minimum setting to keep the watch wound. This means there is extra room to move up a setting and still not harm the watch or in some cases, fully 100% wind the watch. Really, when on the winder, the watch wind is maintained rather than replenished.
Often times, active individuals will achieve more than 800 TPD while wearing their watch during the course of the day. The watch knows no difference, it just winds and runs. When you walk down the street or move about the office, the watch does not know if you swing your wrist clockwise or counter clockwise thus switching back and forth from winding to excess wear. It's still spinning both directions."
When he said "on the winder, the watch wind is maintained rather than replenished", I suppose it helps at the end of the day to wind the watch a few times before you put it on a winder (if you plan not to wear it for a few days when you rotate watches).
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