Seiko NOS Crown 45M18E, Steel – Grand Seiko 56GS Calendar / Weekdater with GS Logo – 1 Piece

Original Seiko crown, reference 45M18E, steel version, New Old Stock in original bag (compartment 85-E, "JAPAN"). According to Seiko spare part documents, suitable for Grand Seiko cases 5641-7000, 5645-5010/-7000/-7010/-8000, and 5646-5010/-7000/-7010/-7020/-8000 – the 56GS Calendar and Weekdater, the automatic Grand Seikos of the early 1970s with the highly refined 56 caliber. The 56GS was the last mechanical Grand Seiko generation before the quartz era and is intensively restored by collectors. Grand Seiko crowns are among the most sought-after Seiko spare parts ever: even used examples regularly fetch prices around €80, an originally packaged NOS crown is a rarity.

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

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