Felsa 4072

Basic Information

NameFelsa 4072
ManufacturerFelsa
Launch Year1965
Caliber FamilyDescription
separate hand-gear bridge
4062: 18000 A/h
4162: 21600 A/h
setting-lever spring as bridge
4072: 18000 A/h
4172: 21600 A/h
4177: 36000 A/h

Related calibers
Felsa 4062, Felsa 4072, Felsa 4162, Felsa 4172, Felsa 4177
Is COSC certifiedNo

Technical Details

Lignes Dimensions6.75 ‴
Dimensions15.55 mm
Height3.3 mm
Further MeasuresMounting Diameter (Dm): 15.3mm
Stem height (T): 1.7mm
Mounting Height (F): 1.0mm
Power Reserve45 hours
Frequency18,000 vph
Jewels17

Complications and Specifications

ShapeRound
Shock ProtectionIncabloc
Regulator TypePinned Regulator (or Index Regulator)
Movement TypeManual
Escapement TypeSwiss Lever
Control TypeBalance Wheel
Winding TypeStem Winding (Crown)
Setting TypeStem Set (Crown Pull)

Additional Information

Hand Sizes1.20 x 0.60mm
Hand Count2
Country Of Manufacture(not set)
NotesRemarks: indirect minute, hand friction clutch on barrel (Roskopf type)
The accordingly free space in the center is not only used for a big barrel, but also for a big balance.
Other data: balance staff: U2933 stem: W2823 mainspring / battery: 1.50 x 6.0 x 0.06mm balance staff ronda: 4741 (6,75) stem ronda: 1288 (6,75) Mainspring: 1.600 x 6.500 x 0.060 x 260.000 mm
Signatureca.1965: - ; Incabloc (Felsa 4172, 21600A/h)

Compatible Parts

59 compatible part(s) available — Supporter feature.

Metadata

Created AtSep 15, 2023
Updated AtApr 23, 2025, 11:32:31 PM
Loading...