Seiko Caliber 1104A Watch Movement spare parts
Seiko Caliber 1104A Watch Movement Spare Parts
The Seiko Caliber 1104A is a compact, manually wound mechanical watch movement manufactured by Seiko, Japan. Designed for vintage wristwatches, this movement features a central sweep seconds hand, a traditional lever escapement and Seiko’s Diashock shock protection system. Its small rectangular construction makes it suitable for elegant vintage watch designs.
For vintage watch enthusiasts and hobbyist watchmakers, the Seiko 1104A is an interesting movement to restore and maintain. Genuine or compatible replacement components are important for preserving its original functionality and accuracy.
Seiko 1104A Movement Features
– Manufacturer: Seiko, Japan
– Caliber: 1104A
– Movement type: Mechanical, manual winding
– Jewel configuration: 17 or 21 jewels
– Frequency: 21,600 vibrations per hour (6 beats per second)
– Dimensions: Approximately 15.15 × 13.00 mm
– Maximum height: 4.30 mm
– Seconds display: Central sweep seconds
– Escapement: Lever escapement
– Shock protection: Seiko Diashock
– Calendar: No date function
Seiko 1104A Watch Spare Parts
Common replacement parts required for servicing and restoration include:
– Mainspring and mainspring barrel
– Balance wheel and balance staff
– Balance cock and balance components
– Train wheel bridge
– Third wheel and fourth wheel
– Center wheel and cannon pinion
– Escape wheel and pallet fork
– Barrel bridge
– Winding stem and setting lever
– Crown wheel and ratchet wheel
– Click and click spring
– Dial screws and movement screws
Technical Specifications
The Seiko 1104A uses a traditional mechanical gear train powered by a manually wound mainspring. Its Diashock system helps protect the delicate balance assembly against everyday impacts. The movement is also documented with Diafix lubrication components.
Restoration and Maintenance
When servicing a vintage Seiko 1104A, inspect the balance assembly, pivots, jewels, gear train and winding mechanism. Check the mainspring condition and replace worn or damaged components where necessary. Correct lubrication and careful adjustment are essential for reliable operation.
Seiko Caliber 1104A watch movement spare parts remain useful for collectors, repair specialists and watchmakers restoring vintage Seiko watches.
For any Watch Spare Parts inquiry, Email us for rate and availability: [email protected]
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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