Certina 25-011 Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The Certina 25-011 is a Swiss automatic mechanical movement celebrated for its precision, reliability, and robust construction. Produced around the mid-1970s, this calibre is known for its sweep seconds, quickset date functionality, and Incabloc shock protection. It remains a hallmark of vintage Certina watches with robust performance and classic design.
Key Technical Specifications
Movement Type: Automatic mechanical
Calibre: Certina 25-011
Size: 11.5 lignes (approximately 26 mm diameter)
Height: Around 5.35 mm
Jewels: 21 synthetic jewels
Beat Rate: 21,600 vibrations per hour (vph)
Power Reserve: Approximate 46 hours
Functions: Sweep seconds, quickset date, Incabloc shock protection
Common Spare Parts
Balance Assembly: Includes balance wheel, staff, hairspring, and regulator to maintain optimum precision.
Mainspring: Key to delivering consistent power; precise fit for smooth operation is crucial.
Escapement Components: Escape wheel and pallet fork for accurate timing and motion regulation.
Gear Train Wheels: Center, third, and fourth wheels essential for energy transmission.
Date Mechanism Parts: Date disc, jumpers, and driving wheels for seamless calendar function.
Setting and Winding Parts: Stem, crown, clutch wheel, setting lever, springs for full manual control.
Plates, Bridges & Screws: Structural support elements ensuring durability.
Jewels: Synthetic bearings to reduce friction and wear.
Hands & Dial Components: Vintage-style replacements for maintaining authenticity.
Maintenance and Sourcing Tips
Confirm the “25-011” calibre marking for proper parts compatibility.
Prioritize New Old Stock (NOS) or trusted donor parts for quality and exact fit.
Exercise caution when handling escapement and setting mechanism components during service.
Use lubricants designed for vintage automatic Swiss movements for longevity.
Wide availability from specialist suppliers and watch parts dealers.
Importance of Genuine Spare Parts
Maintains accuracy, reliability, and extended lifespan.
Preserves the watch’s collector value and historical authenticity.
Ensures professional and lasting repair quality.
Using genuine parts keeps your Certina 25-011 running with authentic Swiss craftsmanship and precision.
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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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