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55w02ns1 7991 crown

  1. Crown for a Seiko 66-7991

    Hi, I'm looking for a crown for a Seiko 66-7991. It should be a 55w02ns1 - which it proving hard to track down at a cost that justifies the value of the finished watch. Does anyone know what else uses this crown. It's a large waterproof, manual winding crown to fit a pipe 2.6mm OD and...