The Miyota caliber 8285 is an automatic movement with a day-date complication. This movement is based on the cal. 82XX series of what Miyota calls their “Standard Automatic” line. It is made in Japan and has 21 jewels and a beat rate of 21,600 vph with a power reserve of about 42 hours.
The calendar wheels on this caliber allow for a display similar to the Rolex Day-Date, with a panoramic full day of the week at 12:00 and date window at 3:00.
- Hand size: 1.65mm / 1mm / .17mm
- Stem part number: 065-212 (tap 10)
- Lift angle is 49 degrees
Watches with the 8285 include the MeisterSinger Urban Day Date, as well as this Cadisen Business Day-Date.
Note: This caliber listing is still being updated, but feel free to start discussions on it in the comments below…