Tissot 781-440, Spring for yoke
- TISSOT original part from a NOS movement.
- Fits cal: 781, 782, 783, 784, 781.1, 782.1, 783.1/2, 784.1/2, 788, 791, 792
- Fits cal: 2451, 2461, 2471, 2481, 2531, 2541, 2551
Versions: 18.000 A/h. 1965 - 1972
- 781: 17 jewels, manual wind.
- 781-1: 17 jewels, manual wind, new incabloc. (1965-1972).
- 782: 17 jewels, manual wind, date.
- 782-1: 17 jewels, manual wind, date, new incabloc. (1965-1972).
- 783: 21 jewels, automatic.
- 783-1: 21 jewels, aut, new incabloc. (1965-1968).
- 783-2. 21 jewels, aut, mod. barrel arbor and bridge. (1968-1972).
- 784: 21 jewels, automatic, date.
- 784-1: 21 jewels, aut, date, new incabloc. (1965-1968).
- 784-2: 21 jewels, aut, date, mod. barrel arbor and bridge. (1968-1972).
- 785: 17 jewels, automatic. (US market 1960-1971).
- 786: 17 jewels, automatic, date. (US market 1960-1971).
- 787: 17 jewels, manual wind, date, world timer. (1969-1972).
- 788: 21 jewels, automatic, date, worldtimer, 24 h. (1966-1972).
- 791: 17 jewels, manual wind, no second.
- 792: 17 jewels, manual wind, no second, date.
- 793: 17 jewels, manual wind, no second, day, date.
- 794: 21 jewels, automatic, day, date.
- 796: 17 jewels, aut, base: 794. (US market 1966-1972).
- 798: 17 jewels, aut, base: 788. (US market 1966-1972).
- 884: 5 jewels + nylon bearings, automatic, date.
- 894: 5 jewels + nylon bearings, automatic, day, date.
Versions: 21.600 A/h. 1972 - 1979
- 2451: 17 jewels, manual wind.
- 2461: 17 jewels, manual wind, date.
- 2471: 21/24 jewels, automatic.
- 2481: 21/24 jewels, automatic, date.
- 2501: US version, 17 jewels, automatic.
- 2511: US version, 17 jewels, automatic, date.
- 2591: US version, 17 jewels, automatic, day, date.
- 2611: US version, 17 jewels, automatic, 24h display, date.