![1960s Tissot 781-1 movement should have a 49hr power reserve, but seems to wind down after only 11 or 12 hours. How can I fix this? : r/watchmaking 1960s Tissot 781-1 movement should have a 49hr power reserve, but seems to wind down after only 11 or 12 hours. How can I fix this? : r/watchmaking](https://preview.redd.it/1960s-tissot-781-1-movement-should-have-a-49hr-power-v0-782tcn3wdug91.png?width=640&crop=smart&auto=webp&s=0bbbc56241a8b03cf2310f0da96fdfd31ad6ff35)
1960s Tissot 781-1 movement should have a 49hr power reserve, but seems to wind down after only 11 or 12 hours. How can I fix this? : r/watchmaking
![bidfun-db Archiv: Ersatzteile, Material (Uhren, Schmuck): 3245: Zifferblatt, Tissot, Tissot 781, 29,6mm, ca. 1970 bidfun-db Archiv: Ersatzteile, Material (Uhren, Schmuck): 3245: Zifferblatt, Tissot, Tissot 781, 29,6mm, ca. 1970](http://www.ranfft.de/bidfun/katb/2usem/1277209807.jpg)
bidfun-db Archiv: Ersatzteile, Material (Uhren, Schmuck): 3245: Zifferblatt, Tissot, Tissot 781, 29,6mm, ca. 1970
![Tissot Seastar - Cal.781-1 - Manual - Anno:1969 - "Quadrante... de vânzare pentru 1.118 lei de la un Vânzator privat de pe Chrono24 Tissot Seastar - Cal.781-1 - Manual - Anno:1969 - "Quadrante... de vânzare pentru 1.118 lei de la un Vânzator privat de pe Chrono24](https://cdn2.chrono24.com/images/uhren/28697015-b5zcbs4hcara2tcus36r2rou-ExtraLarge.jpg)
Tissot Seastar - Cal.781-1 - Manual - Anno:1969 - "Quadrante... de vânzare pentru 1.118 lei de la un Vânzator privat de pe Chrono24
![tissot 781-721volante completo cal: 781, 782, 7 - Buy Spare parts for clocks and watches on todocoleccion tissot 781-721volante completo cal: 781, 782, 7 - Buy Spare parts for clocks and watches on todocoleccion](https://cloud10.todocoleccion.online/relojes-recambios/tc/2023/02/22/15/393987369_tcimg_B15273D4.jpg)