PUW 1662 – interchangeable spare parts

PUW 1662 movement

Which spare parts fit the PUW 1662 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

13Parts with interchange data

7Calibers sharing parts

Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of PUW and the original spare-part labels. All information has been carefully checked but is provided without guarantee. Please verify the interchangeability yourself before fitting, especially the height, diameter and execution of the part.

🔧 Interchangeable parts

Part no.	Description	Also fits
430	Click spring	according to original label PUW 660 PUW 661 PUW 662 PUW 663S PUW 1660 PUW 1661 PUW 1663S
435	Yoke	according to original label PUW 660 PUW 661 PUW 662 PUW 663S PUW 1660 PUW 1661 PUW 1663S
440	Yoke spring	according to original label PUW 1660 PUW 1661 PUW 1663S
445	Setting lever spring	according to original label PUW 660 PUW 661 PUW 662 PUW 663S PUW 1660 PUW 1661 PUW 1663S
450	Setting wheel	according to original label PUW 660 PUW 661 PUW 662 PUW 663S PUW 1660 PUW 1661 PUW 1663S
705	Escape wheel and pinion	according to original label PUW 660 PUW 661 PUW 662 PUW 663S PUW 1660 PUW 1661 PUW 1663S
771	Mainspring with brake spring	according to original label PUW 1660 PUW 1661 PUW 1663S
1143/1	Oscillating weight	according to original label PUW 1660 PUW 1661 PUW 1663S
1501		according to original label PUW 1660 PUW 1661 PUW 1663S
2535	Date indicator guard	according to original label PUW 661 PUW 662 PUW 663S PUW 1661 PUW 1663S
2576	Date jumper, mounted	according to original label PUW 661 PUW 662 PUW 663S PUW 1661 PUW 1663S
2785		according to original label PUW 661 PUW 662 PUW 663S PUW 1661 PUW 1663S
5750	Dial screw	according to original label PUW 660 PUW 661 PUW 662 PUW 663S PUW 1660 PUW 1661 PUW 1663S

Source: original interchangeability lists of PUW (checked transcription) and checked original spare-part labels · as of 2026-10-28. Height / execution: the part fits only in this height or execution.

🔗 Movements sharing the most parts

→ All calibers of PUW

❓ Frequently asked questions

Which PUW 1662 spare parts also fit other movements?

For the PUW 1662, 13 part numbers are listed as interchangeable. Together they fit 7 other calibers – the table below shows which part fits which movement.