Collection: All Movements

Seiko Automatic Movements – Precision, Reliability, and Performance

Seiko automatic movements are renowned for their superior engineering, combining precision, durability, and performance. Trusted by watchmakers and modders around the world, Seiko movements offer the perfect foundation for custom watch builds or upgrades. From the versatile NH35A to the GMT-equipped NH34A, Seiko movements deliver consistent accuracy and a smooth, reliable operation.

Key Features:

  • Superior Engineering: Seiko automatic movements are built with 24 jewels, ensuring smooth timekeeping and reduced wear over time.
  • Wide Range of Options: Choose from a variety of Seiko movements, including the NH35A with date functionality, the NH34A with a GMT hand, and more, each designed for specific watch modding needs.
  • Long Power Reserve: Enjoy extended runtime with Seiko movements, offering up to 41 hours of power reserve.
  • Trusted Reliability: Seiko is a global leader in watch movements, known for providing consistent performance in a wide range of timepieces.

Whether you’re building a custom dive watch or upgrading your current timepiece, Seiko movements offer the reliability and precision you need to create the perfect watch.

92 products
  • Seiko (SII) NH35A Automatic Movement
    Regular price
    $50.00
    Sale price
    $50.00
    Regular price
    Unit price
    per 
    Sold out
  • Seiko (SII) NH36A Automatic Movement (Spanish-English)
    Regular price
    $45.00
    Sale price
    $45.00
    Regular price
    Unit price
    per 
    Sold out
  • Seiko (SII) NE15 Automatic Movement
    Regular price
    $150.00
    Sale price
    $150.00
    Regular price
    Unit price
    per 
    Sold out
  • Seiko (SII) NH34A Automatic Movement (Black)
    Regular price
    $80.00
    Sale price
    $80.00
    Regular price
    $90.00
    Unit price
    per 
    Sold out
  • Seiko (SII) NH34A Automatic Movement (White)
    Regular price
    $80.00
    Sale price
    $80.00
    Regular price
    $90.00
    Unit price
    per 
    Sold out
  • NH Movement Spacer Ring
    Regular price
    $9.90
    Sale price
    $9.90
    Regular price
    $19.90
    Unit price
    per 
    Sold out
  • Seiko (SII) NH70A Automatic Movement
    Regular price
    $60.00
    Sale price
    $60.00
    Regular price
    $75.00
    Unit price
    per 
    Sold out
  • Seiko (SII) NH71A Automatic Movement
    Regular price
    $70.00
    Sale price
    $70.00
    Regular price
    $80.00
    Unit price
    per 
    Sold out
  • Movement Holder for Seiko NH35 / NH36 / 7S26 / 7S36 / 4R35 / 4R36 / NH35A / NH36A
    Regular price
    $14.90
    Sale price
    $14.90
    Regular price
    $28.00
    Unit price
    per 
    Sold out
  • Seiko (SII) NH34A Automatic GMT Movement (9o'clock White)
    Regular price
    $80.00
    Sale price
    $80.00
    Regular price
    $90.00
    Unit price
    per 
    Sold out
  • Seiko (SII) NH34A Automatic GMT Movement (6o'clock Black)
    Regular price
    $80.00
    Sale price
    $80.00
    Regular price
    $90.00
    Unit price
    per 
    Sold out
  • Seiko (SII) NH34A Automatic GMT Movement (Arabic Black)
    Regular price
    $80.00
    Sale price
    $80.00
    Regular price
    $90.00
    Unit price
    per 
    Sold out
  • Seiko (SII) NH34A Automatic GMT Movement (Arabic White)
    Regular price
    $80.00
    Sale price
    $80.00
    Regular price
    $90.00
    Unit price
    per 
    Sold out
  • Seiko (SII) NH34A Automatic GMT Movement (Black/Gold)
    Regular price
    $80.00
    Sale price
    $80.00
    Regular price
    $90.00
    Unit price
    per 
    Sold out
  • Seiko (SII) NH34A Automatic GMT Movement (6o'clock White)
    Regular price
    $80.00
    Sale price
    $80.00
    Regular price
    $90.00
    Unit price
    per 
    Sold out
  • Seiko (SII) NH35A Automatic Movement (Arabic White)
    Regular price
    $45.00
    Sale price
    $45.00
    Regular price
    Unit price
    per 
    Sold out