Oris Caliber 331 Watch Movement spare parts
Oris Caliber 331 Watch Movement Spare Parts
The Oris Caliber 331 is a vintage mechanical watch movement of interest to collectors, watch enthusiasts, and hobbyist watchmakers. Maintaining an original movement requires careful inspection, suitable replacement components, and proper servicing to preserve its functionality and historical value.
When restoring an Oris Caliber 331, identifying the correct spare parts is essential. Components should be matched carefully with the original movement to avoid compatibility problems during repairs.
Spare Parts for Oris Caliber 331
Common components required for servicing and restoration include:
– Mainspring: Supplies power to the movement. The documented mainspring specification is 0.90 × 0.075 × 180 × 5.5 mm.
– Barrel and barrel arbor: Important for storing and transmitting mechanical energy.
– Winding stem: Connects the crown to the winding and time-setting mechanism.
– Winding pinion and crown wheel: Support the manual winding system.
– Gear train: Includes the centre, third, and fourth wheels.
– Balance assembly: Regulates the movement’s timekeeping.
– Jewels and screws: Essential for reducing friction and securing movement components.
– Setting mechanism: Includes the minute-setting wheel, rocking bar, and associated springs.
Technical Specifications
Specification Details
Brand Oris
Caliber 331
Origin Switzerland
Movement type Mechanical, manual winding
Diameter 21.60 mm
Size 9¾ lignes
Display Hours, minutes and seconds
Mainspring 0.90 × 0.075 × 180 × 5.5 mm
Restoration and Maintenance
Before purchasing replacement components, consult the Oris Caliber 331 parts catalogue and compare the original component numbers. Although some parts may be shared with related movements, compatibility should always be verified rather than assumed.
The Oris Caliber 331 remains an interesting movement for vintage watch restoration projects. Correctly identified spare parts help watchmakers preserve its original mechanical construction and extend the life of these classic timepieces.
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Watch Parts Enquiry
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Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
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