Seiko winding stem 354494 (1 piece) – NOS original part (for caliber 5930A)

Original Seiko replacement winding stem (setting stem) made from historical, unused stock material. This stem belongs to the 354 series and is specifically compatible with the Seiko caliber 5930A , as used in various vintage watches.

🔩 Part & Type:

• Designation: Seiko 354-494 Winding Stem / Winding Stem

• Use: Winding/setting stem in the clockwork

• Original:純正部品 (Genuine Seiko Parts)

• Condition: NOS – New Old Stock (unused)

• Packaging: Original Seiko bag

🔧 Compatibility:

• Suitable for Seiko caliber 5930A

• Typical of mechanical Seiko watches of this series

• Replacement part for repairs, overhauls and restorations

📦 Scope of delivery:
1× Seiko winding stem 354-494 (NOS)