Seiko H558 Movement Details
Seiko caliber H558 is an analog + digital ("ana-digi") watch movement produced from around 1982 until 1990.
Battery: | SR927W / 395 (Silver oxide) |
Accuracy: | ±10 seconds/month |
Day / date? | Day + date |
GMT / world time? | Yes |
Chronograph? | Yes |
Rate: | 32,768 Hz |
Number of jewels: | 3 |
Size / diameter: | 28.0mm |
Height: | 2.9mm |
Stem code: | 372655 (movement side), 373640 (crown side) |
Development division: | Suwa (Nagano) |
Notes: | Has an alarm and battery life indicator. |
PDF guides: | Technical guide for H558A |
Related movements: | H556 H557 H851 |
Articles
- H558 Arnie Restoration [thewatchsite.com]