1973
Cal. 1310
19
4.9.5.0.
Place one of the three fingers of the day disc 
driving gear No. 1310.9057 opposite the post of 
the date indicator driving wheel (magnetic mobiles 
Nos. 1310.9062 and 1310.9064). Fit the two 
magnetic mobiles Nos. 1310.9062 and 1310.9064.
Check on positioning : make the day disc driving 
gear No. 1310. 9057 turn slightly until the three 
fingers are visible; one of the three magnetic teeth 
must then be located under the upper pinion of the 
day disc driving gear No. 1310.9057.
4.9.6.0.
Fit the date driving gear No. 1310.9053.
Check on positioning : make the date driving 
gear No. 1310.9053 turn until the finger drives the 
two mobiles previously fitted. When the driving of 
these two mobiles is accomplished, one of the 
three magnetic teeth must again be located under 
the upper pinion of the mobile No. 1310.9057.