Seiko H556 Movement Details
Seiko caliber H556 is an analog + digital ("ana-digi") watch movement. Production was in the 1980s.
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Sub-brands: | Silverwave, Sports 100 |
Battery: | SR920W / 370 (Silver oxide) |
Accuracy: | ±10 seconds/month |
Day / date? | Day + date |
GMT / world time? | Yes |
Chronograph? | Yes |
Alarm? | Yes |
Rate: | 32,768 Hz |
Number of jewels: | 3 |
Size / diameter: | 23.6mm x 26.0mm |
Height: | 2.9mm |
Development division: | Suwa (Nagano Prefecture, Japan) |
Notes: | Has an alarm and battery life indicator. The same as cal. H557 but with different shaped LCD display. |
PDF guides: | Technical guide : H556A & H557A |
Related movements: | H557 H558 |
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