Seiko Aufzugswelle 354494 (1 Stück) – NOS Originalteil (für Kaliber 5930A) Taucheruhr The case back is transparent

The case back is transparent and offers a fascinating view of the mechanical perfection

the lacquer is applied in extremely thin layers and hardened not by heat

5 mm – Height 13

The distinctive leather texture

and the date and day mechanism works perfectly

Seiko Aufzugswelle 354494 (1 Stück) – NOS Originalteil (für Kaliber 5930A) Taucheruhr The case back is transparentOriginal 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: (Genuine Seiko Parts) Condition: NOS New Old Stock (unused) Packaging: Original Seiko bag