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Reference:
- 115.028
Movement:
- Lange manufacture calibre L901.2, manually wound, crafted to the highest Lange quality standards, decorated and assembled by hand
- precision-adjusted in five positions
- twin mainspring barrel
- plates and bridges made of untreated German silver
- balance cock engraved by hand
Number of parts:
- 365
Jewels:
- 53
Screwed gold chatons:
- 9
Balance:
- Lever escapement
Escapement:
- Shock-resistant glucydur screw balance, Nivarox balance spring, frequency 21,600 semi-oscillations per hour, whiplash precision index adjuster with patented beat adjustment mechanism
Power reserve:
- More than 72 hours when fully wound
Functions:
- Time indicated in hours, minutes, small seconds with stop seconds, patented outsize date, power-reserve indicator
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