Seiko SKP 28009 Screw-On Quartz Clock Movement

Product Description

The Seiko SKP 28009 Screw-On Quartz Clock Movement is a reliable screw-on quartz clock movement designed for secure mounting and stable timekeeping in wall clocks and custom clock projects. Featuring a screw-on shaft design, it allows firm installation through clock dials of varying thickness, making it suitable for replacements, repairs, and DIY clock builds.

Features & Function

• Screw-on mounting design – threaded shaft with hex nut for secure installation through dials of varying thickness

• Standard step movement – reliable quartz timekeeping with audible tick

• Seiko brand quality – Japanese engineering and precision

• Battery operated – runs on a common AA battery for convenient replacement

• Wide compatibility – suitable for various clock types and DIY projects

Specifications

• Brand: Seiko (Japan)

• Model: SKP 28009

• Second Hand Motion: Step (ticking)

• Dial Fixation: Screw-on (threaded shaft with nut)

• Shaft Length: Approx. 16.5 mm (suitable for up to 6mm dial thickness)

• Hour Post Diameter: 5.0 mm

• Minute Post Diameter: 3.0 mm

• Housing Size: Approx. 56 × 56 × 18.5 mm

• Battery: 1 × AA (carbon-zinc recommended)

• Origin: Japan

Applications

• Replacement for worn or faulty clock movements in wall clocks

• Clock repair – restoring timekeeping function to vintage or modern clocks

• DIY clock making – building custom clocks with secure screw-on mounting

• Suitable for clockmakers, repair technicians, and DIY enthusiasts

FAQs

1. Is this a genuine Seiko movement?
Yes, this is a genuine Seiko brand movement, made in Japan. It is not a generic clone.

2. What type of movement is this – continuous sweep or step?
This is a step (ticking) movement – the second hand moves in one-second increments with an audible tick.

3. What is the shaft length and what thickness dial can it fit?
The shaft length is approximately 16.5mm, suitable for dials up to 6mm thick.

Why Choose SOFLY Watch Parts?

• Fast worldwide shipping within 3 business days.

• Competitive pricing on Seiko/Hattori calibers.

• 3,000+ watch movements and parts in stock.

• Trusted by watchmakers worldwide.

• Personalized sourcing support via [email protected] or WhatsApp +86 18620212114.