Seiko Mini Quartz Clock Movement – Smooth Sweep – 3/16″ Threaded Shaft – CLOSEOUT

Seiko Mini Quartz Clock Movement – Smooth Sweep

This Seiko mini quartz clock movement features a smooth sweep second hand motion, offering quiet, continuous operation perfect for small clocks or custom builds where precision and silence are key. Compact and reliable, it measures 2-1/8″ x 2-1/8″ x 1/2″ (54 x 54 x 12.7 mm), making it an excellent choice for space-saving designs or replacements.

Built with Seiko’s trusted engineering, this movement includes a 3/16″ (4.76 mm) threaded shaft and 7/16″ (11.11 mm) overall shaft length. It runs on a single AA battery (not included) and comes complete with all mounting hardware for easy installation. Ideal for small wall clocks, desk clocks, or handcrafted timepieces that demand smooth, silent performance.

Product Details
Brand: Seiko
Type: Mini quartz clock movement
Motion: Smooth sweep (continuous second hand motion)
Threaded Shaft Length: 3/16″ (4.76 mm)
Overall Shaft Length: 7/16″ (11.11 mm)
Threaded Shaft Diameter: 5/16″ (7.94 mm)
Hour Post Diameter: 5.55 mm
Minute Post Diameter: 3.55 mm
Movement Size: 2-1/8″ W x 2-1/8″ H x 1/2″ D (54 x 54 x 12.7 mm)
Power: 1 AA battery (not included)
Max Hand Length: Not recommended for hands over 6″
Hands: Not included
Included Hardware: Rubber washer, flat brass washer, hex nut
Condition: New old stock – discontinued
Availability: Limited stock – cannot be restocked