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Important Modern & Vintage Timepieces

Hong Kong, Oct 27, 2019

LOT 10

TECHNICUM CANTONAL, ECOLE D’HORLOGERIE / UHRMACHERSCHULE, BIENNE / BIEL HOROLOGICAL SCHOOL WITH CHRONOGRAPH AND MINUTE RECORDER; STAINLESS STEEL

Stainless steel, keyless-winding, round-shaped, horological school pocket watch, with snap-on case-back and subsidiary seconds at 6 and two horological complications: 1/5 second chronograph (activated by the single round push-piece located on the winding-crown), dragging 30-minute recorder (subsidiary dial at 12 o’clock)

Brand Ecole d'Horlogerie

Year Circa 1930-1940

Movement No. 9 115 583

Calibre  17’’’, lever escapement (based on 39 CHRO ebauche by Omega, Bienne / Biel, circa 1926-1944)

Case No. 10 268

Diameter 47.9 mm.

HKD 12,000 - 15,000

CHF 1,500 - 1,800 / USD 1,550 - 1,850

Sold: HKD 15,000


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

 Bibliography
• Fallet, Estelle, & Simonin, Antoine, Dix écoles d’horlogerie suisses, chefs-d’oeuvre de savoir-faire, Neuchâtel, Editions Antoine Simonin, 2010 (568 pp.), p. 340.