Felsa 410 Bidynator

 

Basic Information

NameFelsa 410 Bidynator
ManufacturerFelsa
Launch Year1942
Caliber FamilyDescription
410: sub second
415: sweep second

Related calibers
Felsa 410 Bidynator, Felsa 415 Bidynator
Is COSC certifiedNo
Timegrapher
Beat rate
18,000 bph
Frequency
2.5 Hz

Reference: healthy amplitude ≈ 270–315° fully wound (>200° at 24 h); beat error ideally < 0.5 ms.

Technical Details

Lignes Dimensions11.5 ‴
Dimensions26.3 mm
Height5.85 mm
Further MeasuresMounting Diameter (Dm): 26.0mm
Stem height (T): 2.1mm
Mounting Height (F): 1.6mm
Power Reserve44 hours
Frequency18,000 vph
Jewels17

Complications and Specifications

ShapeRound
Complications
  • Sub Second
  • Year Calendar
Shock ProtectionIncabloc
Regulator TypePinned Regulator (or Index Regulator)
Movement TypeAutomatic
Rotor TypeCentral Rotor
Escapement TypeSwiss Lever
Control TypeBalance Wheel
Winding TypeAutomatic (Rotor-Driven)
Setting TypeStem Set (Crown Pull)

Additional Information

Hand Sizes1.50 x 0.90 x 0.20mm
Hand Count3
Country Of ManufactureUnited States
NotesRemarks: 1942
first calibre with bidirectional rotor winding, pilot series for the family 690...699 with almost the same base-plate, even samples with caledar corresponding the 693 are known,
Other data: balance staff: U1479 stem: W1182 mainspring / battery: Zf1142, 1.45 x 10.0 x 0.11 x 320mm
Signature1942: VOS, Jenco Watch Ltd., Bidynator Patented - Patented +, USA, DRP; Incabloc (Felsa 415)

Compatible Parts

271 other caliber(s) share compatible parts with this caliber.

97 compatible part(s) available — Supporter feature.

Metadata

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