Certina 28-151 Watch Spare Parts: Complete Guide for Collectors and Watchmakers
The Certina 28-151 is a classic Swiss manual winding movement introduced around 1970, widely respected for its reliability and robust construction. With a diameter of 28.4mm (12.5 lignes), a height of 4.9mm, and 17 synthetic jewels, it delivers a stable beat rate of 18,000 vph and a power reserve of up to 46 hours. This calibre features sweep seconds and a calendar date complication.
Key Technical Specifications
Movement Type: Manual winding mechanical
Calibre: Certina 28-151
Diameter: 28.4 mm (12.5 lignes)
Height: 4.9 mm
Jewels: 17 synthetic jewels
Beat Rate: 18,000 vibrations per hour (vph)
Power Reserve: 46 hours
Functions: Sweep seconds, date
Spare Parts List (Select References)
Mainspring: 1.30 x 0.090 x 240 x 7.5 mm (GR3218); 1.30 x 0.080 x 280 x 8.0 mm (GR3204)
Balance Assembly: Balance complete (Ref 721/911), hairspring, staff, and regulator
Barrel & Gear Train: Barrel arbor (195/826), barrel with minute wheel (182/685), center wheel (201/740), third wheel (210/921), fourth wheel (220/501)
Escapement: Escape wheel (705/878), pallet fork & arbor (710/815), roller (82S/297R)
Setting and Winding: Stem (200/1333F), crown wheel (420/734), clutch wheel (407/728), clutch lever (435/795), winding pinion (410/861), ratchet wheel (415/748)
Calendar/Date: Date indicator, date jumper spring
Other: Screws for bridges, levers, dial side, regulators, set lever (443/887), set spring (440/646)
Jewels: Synthetic rubies for reduced friction
Hands & Dial: Authentic replacements for vintage restoration
Maintenance and Sourcing Tips
Confirm the calibre “28-151” marking before ordering to ensure proper compatibility
Prefer New Old Stock (NOS) or genuine donor parts for authentic restoration
Handle delicate balance and escapement components with care
Use lubricants designed for vintage manual wound Swiss movements
Specialist suppliers and online parts retailers stock original components for 28-151
Importance of Genuine Spare Parts
Ensures precision, reliability, and longevity
Preserves the collector value and originality
Maintains professional-level restoration and dependable performance
Using original parts guarantees your Certina 28-151 continues to offer excellent Swiss mechanical watchmaking.
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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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