J'ai cherché quelques infos complémentaires sur le mouvement :
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)