Wittnauer C11K

Basic Information

NameWittnauer C11K
ManufacturerWittnauer
Launch Year1960
Caliber FamilyDescription
11K: manual wind, sub second
11KS: manual wind, sweep second
11KAS: automatic, sweep second
C11K: manual wind, sub second, Datum
C11KS: manual wind, sweep second, date
C11KS-1, C11KS/1: manual wind, sweep second, quickset date
C11KS-2: manual wind, sweep second
C11KAS, C11KAS1: automatic, sweep second, date
D11KAS: automatic, sweep second, day, date

Related calibers
Wittnauer 11KAS, Wittnauer 11KS, Wittnauer C11K, Wittnauer C11KAS, Wittnauer C11KAS1, Wittnauer C11KS, Wittnauer C11KS-1, Wittnauer C11KS-2, Wittnauer C11KS/1, Wittnauer D11KAS
Is in house developmentNo
Is COSC certifiedNo
Timegrapher
Beat rate
19,800 bph
Frequency
2.75 Hz

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

Technical Details

Lignes Dimensions11.5 ‴
Dimensions26 mm
Height(not set)
Further MeasuresMounting Diameter (Dm): 25.6mm
Power Reserve(not set)
Frequency19,800 vph
Jewels17

Complications and Specifications

ShapeRound
Complications
  • Sub Second
  • Date
Shock ProtectionKIF
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 Sizes
Hand Count3
Country Of ManufactureSwitzerland
NotesRemarks: This movement line is a Record design, and it was adopted by Longines, when Record was acquired by Longines. It is not known, whether other variants were also available as Wittnauer calibres.
Manual-wind versions I've only seen from Wittnauer, from Record or Lobines not yet.
Other data: balance staff: U3314 stem: W3264
Signatureca. 1960: Wittnauer Watch Co Inc, Swiss, 17 Jewels; Kif-Ultraflex (Wittnauer C11KS-2, sweep second)
Import Codes

Compatible Parts

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

51 compatible part(s) available — Supporter feature.

Metadata

Created AtSep 15, 2023
Updated AtOct 22, 2024, 5:35:30 AM
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