Seiko NOS Crown 45W51N, Steel, KS-signed – King Seiko 52KS / Vanac (5246 / 5256) – 1 piece

Original Seiko crown, reference 45W51N, steel version with KS signature, New Old Stock in original bag (compartment 24-N). According to Seiko exchange documents for the 52KS series, it fits cases 5246-5020 and 5256-5000/-5010 – the King Seiko and KS Vanac of the last Hi-Beat generation (calibers 5245/5246/5256) from the early 1970s. The 52-series automatic was developed at Daini Seikosha, the factory that engaged in the legendary quality competition for King Seiko and Grand Seiko with Suwa Seikosha. Original KS-signed crowns are extremely rare.

Warranty (used) This is an unused New-Old-Stock original spare part from old Seiko dealer stock (legally used goods). The warranty is shortened to 12 months in accordance with our General Terms and Conditions.

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