Seiko Krone Nr. 30R10NS1 für 6030-5210 – NOS Quarz finely crafted Citizen stainless steel

finely crafted Citizen stainless steel bracelet with a signed folding clasp

Hochwertig verarbeitetes

This watch uniquely combines technical functionality (20 BAR water resistance) with an astronomical complication – a combination that is extremely rare even among vintage diver models

Model: Chronograph CC-39

Seiko Krone Nr. 30R10NS1 für 6030-5210 – NOS Quarz finely crafted Citizen stainless steelOriginal Seiko crown 30R10NS1 (also listed as 98430R10NS1 , alternative reference 8100 1880W ) from unused old stock (NOS). This crown is compatible with the Seiko model 6030 5210 and exactly matches the manufacturer's original specifications. It ensures the correct operation of the winding mechanism and hand setting and, due to the model series, is rarely available as an original part. The crown is unused, well preserved and ideally suited for the