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PP 175

Calibre 175 (and the similar calibre 177) is an ultra-thin hand-wound watch movement from Patek Philippe.

This ultra-thin movement is based on a 90 year old design from F. Piguet and remains in production today.

Info

Patek Philippe used a F. Piguet ebauche to produce their own ultra-thin 9 ligne watch movement. Although based on this venerable design, Patek Philippe modified the movement extensively. They added their patented free-sprung Gyromax balance and finished the movement to Geneva Seal standards.

Cal. 177

PP 177 SQU (click to enlarge!)
PP 177 SQU
© Patek Philippe

Cal. 175 beats at a leisurely 18,000 A/h, but the derivative Cal. 177 beats at a more modern 21,600 A/h. Apart from this, the movements are very similar.

Cal. 177 remains in production.

References

Cal. 175 and 177 was used in many watches, including the following popular references

See also

Description:

Functions:

  • Hour/minute hands

Data:

Production period:

  • 1970's-present
pp_175.txt · Last modified: 02.12.2022 20:38 by 127.0.0.1

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