Important Modern & Vintage Timepieces

Geneva, Nov 11, 2012

LOT 275

LINEAR DIGITAL CALENDAR Swiss, No. 19613. Made circa 1890. Fine and rare, 18K rose gold, keyless, pocket watch with linear digital tripledate calendar and moon phases.

CHF 3,200 - 5,200

USD 3,500 - 5,500 / EUR 2,600 - 4,300

C. Four-body, "bassine", polished, the back cover with engraved foliate monogram ET. Hinged gold cuvette. D. White enamel with painted radial Roman numerals, outer minute track and outermost fi fths of a second divisions, apertures below 12 o'clock for days of the week, date and months, subsidiary seconds with aperture for the moon phases. Yellow gold Louis hands. M. 19''', frosted gilt, 21 jewels, wolf?s tooth winding, counterpoised straightline lever escapement, cut-bimetallic compensation balance, steel Breguet balance spring with overcoil, index regulator. Case and movement numbered. Diam. 53 mm.


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Grading System
Grade: AA

Very good
Case: 3

Good
Movement: 3*

Good

Overhaul recommended, at buyer's expense
Dial: 3-01

Good

HANDS Original

Notes

The linear digital calendar is a calendar in which the date is displayed in a single aperture allowing for a clear dial which could be read at a glance. This type of display became popular in the Art Deco period and is most often found in watches destined for the Anglo-American market. This kind of calendar then became known as the American Calendar