MIYOTA 8215
🛠️ Basic Specifications:
- Manufacturer: CITIZEN WATCH CO., LTD. (Movement Division), Tokyo 188-8511, Japan
- Caliber: 8215 (with date), 8205 (with day, date)
- Type: Automatic movement with manual winding and hacking seconds
- Movement type: Mechanical automatic
📏 Dimensions:
- Diameter: 25.6 mm (11½ lignes)
- Height: 5,67 mm
⚙️ Technical Details:
- Jewels: 21
- Beat rate: 21,600 vibrations per hour
- Power reserve: Approximately 42 hours
- Winding direction: Clockwise
- Manual winding: Yes
- Hacking (stop seconds): Yes
⏱️ Functions:
- Display: Hour / Minute / Central seconds / Date or Date/Day (8205)
- Date position: Typically at 3 o’clock
- Quick date setting: Yes (via crown)
- Hand hole diameters:
- Hour: 1.50 mm
- Minute: 0.88 mm
- Seconds: 0.17 mm
-
📈 Accuracy (factory specs):
- Daily rate: -20～＋40 sec/day
⚒️ Compatibility / Use Cases:
- Used in: Many microbrands and homage watches
- Watch types: Dive watches, pilot watches, dress watches
