Invar Repeater Clockwatch
Fine and rare slim Swiss 14K pink gold first quality Invar grande and petite sonnerie minute
repeating clockwatch with unusual mechanical refinements circa 1907.
Unlike conventional repeaters which chime the time on demand, this watch can be
set to chime the hours and quarter hours automatically like a clock, hence the name clockwatch.
Fine white double sunk enamel dial with black markings and blued steel hands.
Plain polish 55 mm case with button in the band to trip the repeater and lever extending from the
bezel at 6:00 to select silence, petite sonnerie, or grande sonnerie.
Nickel 36 jewel movement under both gold and glazed dust covers.
With the selection lever in the grande sonnerie (or full strike) position this
watch automatically chimes the hours and quarters every 15 minutes.
This means that 1:15 has a different chime than 2:15. In the petite sonnerie
(or half strike) position the watch automatically chimes the quarters without the hours.
Silence means the watch does not strike automatically.
When the button in the band is depressed, this watch chimes the hours, quarters,
and minutes with a lovely chime. Excellent example.
This watch has two interesting mechanical refinements. Most clockwatches from this
period have two chime levers, one for strike or silence and one for grande or petite strike,
whereas this watch performs all of these functions with just one lever.
Also, we usually see tandem winding while this watch winds the second mainspring when
the stem is pulled out to a third position.
Diameter 55 mm
NOTE: The small circles or shadows in some of our photos
are reflections of the camera lens. Since this watch is much smaller than in the
enlarged photos, a tiny blemish or imperfection that you could not see when looking
at the actual watch can appear very large in the photos.