Tissot Caliber 784

Tissot 784-1 1965-1968
Plastic bushings instead of dial screws

Features
automatic
sweep second
date: set by changing 21:30-24h

Data
11.5”’, Dm= 25.6mm, Do= 26.0mm
H= 5.35mm
F= 1.4mm
T= 2.0mm
21 jewels
f = 18000 A/h
power reserve 45h

Balance staff U2480

Stem W2696, W3061 (Seastar Seven)

Mainspring / battery
Zf2960-X, 1.20 x 9.0 x 0.115 x 280mm

Hands
1.50 x 0.90 x 0.21mm