I received this Seiko 6138-3002 from a customer who lives fairly close to me in Somerset, UK and it’s not run for some time… These are a great technical accomplishment by Seiko and this movement calibre was released in 1969 – there is a little history here. It’s a big watch being part of the […]
With the base movement set up, the chronograph parts are added, starting with the cam and springs: Then the start/stop lever and bridge. All parts checked for wear and cleanliness as the build progresses. This is a chronograph runner. Showing the chronograph runners in place. And the hammers and bridge fitted. Finally the remaining springs. […]
The ETA 7750 (originally Valjoux) is pretty much the industry standard chronograph and has the full chronograph features plus day and date complications as well as being an automatic calibre. These are usually a pleasure to work on and this Zeno is no exception. A lot of parts in these – this container just showing […]