

Seiko Caliber 11A Watch Movement spare parts

Seiko Caliber 11A Watch Movement Spare Parts
The Seiko Caliber 11A is a vintage mechanical watch movement developed for small ladies’ wristwatches. Manufactured by Seiko, this compact hand-winding movement is known for its practical construction, reliable timekeeping mechanism and Diashock protection system. It is an interesting movement for vintage watch enthusiasts and hobbyist watchmakers involved in restoration and repair.
Seiko 11A Movement Spare Parts
When restoring a Seiko 11A movement, finding compatible original spare parts is important for maintaining its mechanical performance. Commonly required components include:
– Balance wheel and balance staff
– Mainspring and barrel assembly
– Centre wheel and third wheel
– Escape wheel and pallet fork
– Balance cock and regulator components
– Diashock shock protection parts
– Winding pinion and clutch wheel
– Setting lever and setting mechanism
– Crown stem and winding components
– Movement screws and jewel bearings
The caliber was produced in different jewel configurations, including 17-jewel and 21-jewel versions. Therefore, watchmakers should check the exact movement specification before ordering replacement components.
Technical Specifications
Specification Details
Manufacturer Seiko
Caliber 11A
Movement type Mechanical
Winding Manual
Jewels 17 / 21
Frequency 21,600 vibrations/hour
Shock protection Seiko Diashock
Functions Hours and minutes
Seconds No seconds hand
Related caliber Seiko 1104A
Origin Japan
Restoration and Maintenance
Proper cleaning, lubrication and inspection of the gear train, balance assembly and escapement are essential when servicing this vintage movement. Particular attention should be given to the Diashock system and the condition of the mainspring.
Original Seiko Caliber 11A watch movement spare parts are valuable for collectors and repair specialists seeking to preserve vintage Seiko ladies’ watches. Using correctly matched components helps maintain the originality and functionality of these classic mechanical timepieces.
For any Watch Spare Parts inquiry, Email us for rate and availability: [email protected]
Watch Parts Enquiry
* If you are unable to fill out any of the required information fields, please type “N/A”.
Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
Mobile/WhatsApp: +91- 9841 360 340