Seiko Caliber 1100A Watch Movement spare parts
Seiko Caliber 1100A Watch Movement Spare Parts
The Seiko Caliber 1100A is a movement reference of interest to vintage watch enthusiasts and hobbyist watchmakers involved in the restoration and maintenance of Seiko watches. When servicing a movement identified as 1100A, correct identification of the caliber is essential before sourcing replacement components.
Vintage Seiko movement restoration requires careful inspection of individual parts, particularly when dealing with discontinued or hard-to-find components. Original spare parts and compatible replacements can help preserve the movement’s functionality and historical value.
Technical specifications
Specification Details
Manufacturer Seiko
Caliber 1100A
Movement type Mechanical, manual winding
Jewels 17 or 21 jewels
Frequency 21,600 vibrations per hour
Beat rate 6 beats per second
Movement dimensions Approx. 13.00 × 15.15 mm
Movement height 3.66 mm
Shock protection Seiko Diashock
Period Circa 1965
Additional feature Sweep seconds
Seiko 1100A Spare Parts
The following components are relevant when servicing and restoring this movement:
– Balance wheel and balance staff
– Balance cock and balance spring
– Jewelled pallet fork and pallet staff
– Escape wheel and pinion
– Fourth wheel and pinion
– Third wheel and pinion
– Centre wheel and pinion
– Barrel and mainspring
– Barrel bridge
– Train wheel bridge
– Ratchet wheel and screw
– Crown wheel and winding components
– Setting lever and winding stem
– Dial and movement screws
Maintenance and restoration
The Seiko 1100A is a compact mechanical movement requiring careful handling during disassembly and reassembly. Watchmakers should inspect the balance assembly, escapement, gear train and mainspring for wear or damage.
Accurate caliber identification is essential when sourcing replacement parts to ensure a successful restoration.
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]
Mobile/WhatsApp: +91- 9841 360 340