Seiko 4216 Movement Details
Seiko caliber 4216 is an automatic (with hand winding) watch movement. Production was in the 1980s.
| Sub-brands: | Seiko 5 |
| Day / date? | Day + date |
| GMT / world time? | No |
| Chronograph? | No |
| Rate: | 21,600 bph |
| Number of jewels: | 17 |
| Size / diameter: | 23.4mm |
| Height: | 5.6mm |
| Development division: | Daini (Kameido, Tokyo, Japan) |
| PDF guides: | Technical guide : 4216A |
| Related movements: | 4219 |
Part Codes
| Stem code: | 351420 |
| Balance wheel code: | 310421 |
| Mainspring code: | 201420 |
| Date wheel code: | 801124, 801305, 801306, 801307 |
| Screw codes: | 012123 (stud screw), 012171, 012275, 012459 (case screw), 012468, 012486, 012487, 012488 (screw for oscillating weight) |