Zenith 2542PC

 

Basic Information

NameZenith 2542PC
ManufacturerZenith
Launch Year1964
Caliber FamilyDescription
2540: manual, no second
2541: manual, sub second
2542: manual, sweep second
2542C: manual, sweep second, date
2542P: auto, sweep second
2542PC: auto, sweep second, date

Related calibers
Zenith 2540, Zenith 2541, Zenith 2542, Zenith 2542C, Zenith 2542P, Zenith 2542PC
Is COSC certifiedNo
Timegrapher
Beat rate
21,600 bph
Frequency
3 Hz
Lift angle
54 degrees

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

Technical Details

Lignes Dimensions11.5 ‴
Dimensions26 mm
Height5.65 mm
Further MeasuresMounting Diameter (Dm): 25.6mm
Stem height (T): 2.0mm
Mounting Height (F): 1.4mm
Power Reserve46 hours
Frequency21,600 vph
Jewels25
Lift Angle54 degrees

Complications and Specifications

ShapeRound
Complications
  • Sweep Second
  • Date
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 Sizes1.30 x 0.80 x 0.20mm
Hand Count3
Country Of ManufactureSwitzerland
NotesRemarks: 1964-1969, 225000
jewel-bearing rotor
ball-bearing crown wheel, beryllium bronze
excenter regulator
Other data: balance staff: U3478 stem: W2936 / W3378 normal / waterproof mainspring / battery: 1.20 x 10.0 x 0.10mm
Signature1967: 6413756, Zenith, Swiss Made, 25 Jewels; Incabloc
Import Codes

Compatible Parts

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

76 compatible part(s) available — Supporter feature.

Metadata

Created AtSep 15, 2023
Updated AtApr 23, 2025, 11:34:28 PM
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