J'ai cherché quelques infos complémentaires sur le mouvement :
 France Ebauches 3611https://ranfft.org/caliber/5250-FE-3611
France Ebauches 3611https://ranfft.org/caliber/5250-FE-3611FE 3611 Basic Information
Name	FE 3611
Base Calibre	Cupillard 3611
Manufacturer	France Ebauches S.A.
Launch Year	1972
Caliber Family	Description
manual wind/automatic respectively:
3600/3610: -
3601/3611: date
3602/3612: day, date
quickset date, new hands gear:
4600/4610: -
4601/4611: date
4602/4612: day, date
suffix A: minor modifications
base movement thinner:
5601/5611: date
5602/5612: day, date
5606/5616: date, month
Related calibers
FE 3600, FE 3601, FE 3602, FE 3610, FE 3611, FE 3612, FE 4600, FE 4601, FE 4601A, FE 4602, FE 4602A, FE 4610, FE 4610A, FE 4611, FE 4611A, FE 4612, FE 4612A, FE 5600, FE 5601, FE 5602, FE 5606, FE 5610, FE 5611, FE 5612, FE 5616
Is COSC certified	No
Technical Details
Lignes Dimensions	11.5 ‴
Dimensions	26 mm
Height	5.25 mm
Further Measures	Mounting Diameter (Dm): 25.6mm
Stem height (T): 1.78mm
Power Reserve	44 hours
Frequency	21,600 vph
Jewels	17
Complications and Specifications
Shape	Round
Complications	
    Sweep Second
    Date 
Regulator Type	Pinned Regulator (or Index Regulator)
Movement Type	Automatic
Rotor Type	Central Rotor
Escapement Type	Swiss Lever
Control Type	Balance Wheel
Winding Type	Automatic (Self-Winding)
Setting Type	Stem Set
Additional Information
Hand Sizes	1.40 x 0.90 x 0.21mm
Hand Count	3
Country Of Manufacture	France
Notes	Remarks: strange: train and hand gear separately driven by the barrel (cf. MSR T43)
This design allows low profile and gives space for a big balance, but it requires high precision and shake-free gears, because so many wheels are involved in the coupling between second- and minute hand.
Other data: balance staff: U3292 stem: W3246 mainspring / battery: 1.20 x 10.0 x 0.12 x 325mm alternatives after manufacturer: 1.20 x 10.0 x 0.115 x 345mm 1.20 x 10.0 x 0.1175 x 335mm balance staff ronda: 5395 (11,5) stem ronda: 1775 (11,5)