Lot Essay
This endangered species strap is shown for display purposes only and is not for sale. The watch will be supplied with a calf leather strap.
The present John Shaeffer Répétition Minutes Jump Hour wristwatch is preserved in like new condition.
The particularity of a jump hour watch lies in its unusual mechanism and appearance. The hours are indicated by a small disc turning underneath a window. The disc rotates every time the minute hand, set within the centre of the dial, hits the full hour.
A yellow gold example of the model is illustrated in Audemars Piguet 20th Century Complicated Wristwatches, p. 298.
The present John Shaeffer Répétition Minutes Jump Hour wristwatch is preserved in like new condition.
The particularity of a jump hour watch lies in its unusual mechanism and appearance. The hours are indicated by a small disc turning underneath a window. The disc rotates every time the minute hand, set within the centre of the dial, hits the full hour.
A yellow gold example of the model is illustrated in Audemars Piguet 20th Century Complicated Wristwatches, p. 298.