Seiko NOS Crown 45M09N, Steel – King Seiko 52KS (Signed Crown, 5246) – 1 Piece

Original Seiko Crown, Reference 45M09N, steel version, New Old Stock in original bag (Compartment 89-E). According to Seiko replacement documents for the 52KS series, this is the KS-signed crown for cases 5246-6000/-6010/-6060 and 5246-7000 – the King Seiko of the last Hi-Beat generation (calibers 5245/5246) from the early 1970s. The 52-series automatic movement was developed by Daini Seikosha, the factory that competed with Suwa Seikosha in the legendary quality contest for King Seiko and Grand Seiko. Original signed KS crowns are extremely rare and essential for a high-quality restoration.

Warranty (used) This is an unused New Old Stock original spare part from old Seiko dealer stock (legally second-hand goods). The warranty is shortened to 12 months according to our terms and conditions.

Note: Delivery includes the original Seiko spare part bag shown in the picture. The crown gasket may have hardened due to age; water resistance is not guaranteed. Installation should be performed by a watchmaker. Price per piece (1 crown).