Swiss silver open faced keyless lever deck watch Circa 1921
- Kenmerk
- SB0481
- Diameter
- 63 mm
- Estimate
- € 6.000 - 12.000
- Price sold
- € 13.150
Silver open faced pocket watch by Patek Philippe
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A Swiss silver open faced keyless deck watch, circa 1921, extra quality nickel lever movement, stamped with the Geneva seal, 23 jewels, Guillaume balance, wolf tooth winding, precision regulation. Silver cuvette. Silvered dial, Arabic numerals, outer minute track, subsidiary seconds and blued steel spade hands. Plain polished case. Case, dial and movement signed. An Extract from the Archives confirming the 1st class Geneva Observatory rating certificate obtained in 1930 and sale on January 30th 1942, copy of the Geneva Observatory certificate dated 1930.
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Diameter: 63 mm
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Signed: Patek, Philippe & Cie Genève 191005
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This fine and important chronometer watch is equipped with the precision Guillaume balance. Charles Édouard Guillaume (1861-1938) was a Swiss physicist who received the Nobel Prize in Physics in 1920 for recognition of his service to precision measurements by discovering anomalies in nickel steel alloys.
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Signed: Patek, Philippe & Cie Genève 191005
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This fine and important chronometer watch is equipped with the precision Guillaume balance. Charles Édouard Guillaume (1861-1938) was a Swiss physicist who received the Nobel Prize in Physics in 1920 for recognition of his service to precision measurements by discovering anomalies in nickel steel alloys.
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Similar watches and calibres are illustrated in ‘Patek Philippe Pocket watches’ by Martin Huber & Alan Banbery, 1982 edition, pages 152, 153, 154 and 161.
Similar watches and calibres are illustrated in ‘Patek Philippe Pocket watches’ by Martin Huber & Alan Banbery, 1982 edition, pages 152, 153, 154 and 161.
Signed: Patek, Philippe & Cie Genève 191005
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