SEIKO Winding Stem (1 piece) – Original part for King Seiko | Part No. 351443

Original SEIKO winding stem (Part No. 351443 ) for early King Seiko models . This is a rare, unused NOS ( New Old Stock ) spare part.

compatibility

This winding stem is intended for several early King Seiko calibers, particularly those from the 1960s.
According to reference tables and packaging imprint ("キングセイコー"), the part can be attributed to the following works:

• Seiko 44A / 4402 / 4420 (King Seiko “Chronometer”)
• Seiko 44KS family
• Other early King Seiko hand-wound movements with identical shaft mount

(The exact assignment corresponds to the classic SEIKO part number 351443 for the 44 series.)

Technical designation

• German: Elevator shaft
• English: Winding Stem
• Japanese:巻真（まきしん） makishin

Condition

• Unused original part
• NOS (New Old Stock)