Unitas 6412 – interchangeable spare parts
Unitas (UT) 6412 movement
Which spare parts fit the Unitas 6412 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.
🔧 Interchangeable parts
Source: original interchangeability lists of Unitas (UT) (checked transcription) and checked original spare-part labels · as of 2026-10-28. Height / execution: the part fits only in this height or execution.
🌀 Matching mainspring
Mainspring dimensions for Unitas 6412 (height × diameter × thickness × length) and matching mainspring in our shop:
🔗 Movements sharing the most parts
- Unitas 6410 (54 parts)
- Unitas 6411 (54 parts)
- Unitas 6410N (46 parts)
- Unitas 6310 (45 parts)
- Unitas 6412N (45 parts)
- Unitas 6312 (44 parts)
- Unitas 6411N (44 parts)
- Unitas 6415 (44 parts)
- Unitas 6311 (43 parts)
- Unitas 376 (39 parts)
- Unitas 6310N (37 parts)
- Unitas 6312N (37 parts)
- Unitas 6311N (36 parts)
- Unitas 6425 (36 parts)
- Unitas 6415N (35 parts)
- Unitas 6426 (35 parts)
❓ Frequently asked questions
Which Unitas 6412 spare parts also fit other movements?
For the Unitas 6412, 38 part numbers are listed as interchangeable. Together they fit 67 other calibers – the table below shows which part fits which movement.
Which movements share the most parts with the Unitas 6412?
The most shared parts: Unitas 6410 (54 parts), Unitas 6411 (54 parts), Unitas 6410N (46 parts).
Which mainspring fits the Unitas 6412?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.75 × 11.5 × 0.135 × 360 mm (GR 5171, hand-wound, normal end hook).
🛠️ For the workshop
Replacement Sapphire Watch Crystal, Flat, 1.0 mm, Ø 15 - 45 mm22,40 € – 34,90 € incl. VAT *View item ›
HIGH DOMED ACRYLIC GLASS Replacement Watch Glass for Wristwatches and Pocket Watches H: 5.25mm6,99 € – 9,99 € incl. VAT *View item ›
Clock Winding Key No. 8 for 4.25 mm Square, Brass7,95 € incl. VAT *View item ›