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Important Modern & Vintage Timepieces

Hong Kong, May 10, 2020

LOT 239

Ed. Heuer & Co. - Split-seconds chronograph, minute recorder; 14K yellow gold

14K yellow gold, open-face, keyless-winding, round-shaped, pocket watch, with subsidiary seconds at 6 and three horological complications: • 1/5 second chronograph (activated by the single round push-piece located on the winding-crown) • Split-seconds (activated by the rectangular push-piece located on the case-band at 1 o’clock) • Half-instantaneous 30-minute recorder (subsidiary dial at 12 o’clock). Case-back guilloché (engine-turned), with, in the centre, an engraved escutcheon.

Brand Ed. Heuer & Co., Bienne / Biel

Year circa 1920

Movement No. 16

Case No. 15 267 (by Illinois Watch Case Co., Elgin, Ill., U.S.A.)

Material 14K yellow gold

Diameter 47.6 mm.

Caliber 17’’’, lever escapement

Accessories copies of the invention patents

HKD 11,700 - 15,600

USD 1,500 - 2,000 / EUR 1,400 - 1,850 / CHF 1,500 - 2,000

TO BE SOLD WITHOUT RESERVE

Sold: HKD 15,000


Grading System
Grade: A

Good

Case: 3

Good

Movement: 3 *
Dial: 4-13-71-73-01

Fair

Slightly damaged

ENAMEL AND VARIOUS TYPES OF DECORATION Hairlines

ENAMEL AND VARIOUS TYPES OF DECORATION Chipped under bezel,not visible when closed

HANDS Original


Notes

Movement based on the Swiss invention patents No. 73 392 and 73 393, delivered on October 2, 1916, to Ed. Heuer & Co., Rose Watch Co., Bienne / Biel, both for a “Mécanisme de chronographe” (chronograph mechanism).