Seiko Ersatzteil – Drittrad (三番車 / Third Wheel) für Seiko 90 Stoppuhr (Kal. 9011‑Familie), Ø ca. 11,7 mm (1 Stück) – NOS Quarz "Dot and Line") is operated

"Dot and Line") is operated by SPB Co

Particularly noteworthy is its technical condition: The watch has been fully serviced by a Japanese watchmaker

which garnered significant attention at world's fairs such as the Paris Expo

Weight: 97 g (including original strap)

Condition: NOS (new

Seiko Ersatzteil – Drittrad (三番車 / Third Wheel) für Seiko 90 Stoppuhr (Kal. 9011‑Familie), Ø ca. 11,7 mm (1 Stück) – NOS Quarz "Dot and Line") is operatedOriginal Seiko spare part Third Wheel () from new old stock (NOS) for the Seiko "90" stopwatch (caliber family 9011). A single piece is offered in the original Seiko part bag. Outer diameter: approx. 11. 7 mm an unusually large measurement for a wristwatch movement, which fits well with the large format stopwatch movement. The third wheel is a component of the going train and transmits power between the center wheel and the second wheel; it shows the