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)|
|Day / date?||Day + date|
|GMT / world time?||Yes|
|Number of jewels:||3|
|Size / diameter:||23.6mm x 26.0mm|
|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|