Manufacturer | Miyota |
Caliber Number | 8285 |
Movement Type | Automatic, self-winding mechanical |
Lignes | 13”’ |
Diameter | 29mm |
Height | 5.94mm |
Jewels | 21 |
Beat Rate | 21,600 vph |
Lift Angle | 49 degrees |
Power Reserve | 42 hours |
Rotor Winding Direction | Unidirectional, counterclockwise |
Hand-Windable? | Yes |
Anti-Shock Device | Parashock |
Stem | 065-212 (tap 10) |
Hand Count | 3 |
Hand Sizes | 1.65mm / 1mm / .17mm |
Functions | Central hours; central minutes; central sweeping seconds; day of the week at 12:00; date at 3:00 |
Hacking Seconds? | Unconfirmed |
Quickset Date? | Yes |
Country of Manufacture | Made in Japan |
Known Models | (Add your watch to the comments below…) |
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.
Availability:
This movement is discontinued and no longer available from Miyota. You may still be able to find it from watch parts sellers.
Miyota Day-Date:
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.
Examples of watches with this movement:
Watches with the 8285 include the MeisterSinger Urban Day Date, as well as this Cadisen Business Day-Date.
Additional Resources:
Trending Comments
Longines Caliber L836.6
The differenece is the beat rate. 3Hz vs 5Hz. 6 beats/s vs 10 beats/s.
Orient Caliber F6922
I've had my Mako and Ray Orient watches with these calibers, I guess. Their performance…
Invicta Caliber JSD-006ZY
Apart from the fact, that there is no further information about this caliber anywhere, it…
Seiko Instruments (SII) Caliber VH31
the VH-31 movement coupled with solar or kinetic in a Seiko watch would sell like…
Miyota/Citizen Caliber 9051
I have the 9051 in my Fujitsubo, it appears to be within 3 seconds. I'll…
Active Caliber Listings
It might be a Chinese Standart-movement aka Tong Ji aka 7120 / SS7 with an…
Thank you for sharing your experience with the community. If possible, please submit images of…
Apart from the fact, that there is no further information about this caliber anywhere, it…
This £80 lorus has the y676c with Japan on the rotor
Minute hand on some ETA's 2-hand quartz movements run every 20 secs so that the…