Certina 29-152 Watch Spare Parts: Comprehensive Guide for Collectors and Watchmakers
The Certina 29-152 is an electromechanical tuning-fork movement derived from the ESA 9162/64 “Mosaba” calibre, used widely in Certina Certronic models from the late 1960s. It combines innovative electronic functionality with mechanical precision, measuring approximately 29.4 mm in diameter and 4.85 mm in height, and comprising 12 synthetic jewels.
Key Technical Specifications
Movement Type: Electronic tuning-fork (ESA 9162/64 based)
Calibre: Certina 29-152
Diameter: 29.4 mm
Height: 4.85 mm
Jewels: 12 synthetic jewels
Functions: Sweep seconds, biorhythm indicator, and date (varies by model)
Common Spare Parts
Tuning-Fork Assembly: Essential component driving electronic timekeeping.
Balance Wheel & Regulator: Maintain stable oscillations and accuracy.
Electronic Circuit and Coil: Control the movement’s electronic system.
Mainspring & Gear Train Components: Transmit mechanical power to the hands.
Hands & Dial Components: Including parts tailored for the biorhythm display.
Plates, Bridges & Screws: Provide structural integrity.
Jewels: Synthesized rubies reduce friction, enhancing durability.
Maintenance and Sourcing Tips
Verify the calibre “29-152” marking on the movement before ordering parts.
Use New Old Stock (NOS) or original donor parts for genuine restoration.
Treat electronic components with great care to avoid damage.
Employ lubricants appropriate for hybrid electronic-mechanical watches.
Specialist dealers and vintage watch suppliers occasionally stock 29-152 parts.
Importance of Genuine Spare Parts
Ensures lasting precision and dependable operation of hybrid movements.
Maintains the watch’s historical authenticity and collector’s value.
Supports expert restoration, preserving the unique biorhythm and electronic features.
Using genuine parts guarantees your Certina 29-152 continues the tradition of Swiss innovative watchmaking and mechanical excellence.
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Watch Parts Enquiry
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Stem, Crown, Hands & Spares might be available for this movement.
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