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Important Modern & Vintage Timepieces

Hong Kong, Oct 27, 2019

LOT 63

DUBEY & SCHALDENBRAND SPLIT-SECONDS FLY-BACK CHRONOGRAPH, MINUTE RECORDER; “INDEX-MOBILE”; YELLOW GOLD PLATED METAL

Yellow gold plated metal, round-shaped, gentleman’s wristwatch, with sapphire-crystal snap-on case-back, silver colour dial, subsidiary seconds at 9, 1/5 second chronograph with tachometric and telemetric scales graduated for 1 000 metres, dédoublante, a kind of fly-back split-seconds, so-called “Index-Mobile”, half-instantaneous 30-minute recorder.

Brand Dubey & Schaldenbrand

Model “Index-Mobile”

Year Circa 1970

Calibre  Based on Landeron 248 (by Charles Hahn, Le Landeron, near Neuchâtel)

Bracelet Brown leather strap and gilded brass buckle

Diameter 37.4 mm

Signature Dial, Case and Movement

Accessories Copies of the invention patents

HKD 4,800 - 6,000

CHF 600 - 750 / USD 610 - 760

Sold: HKD 11,875


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

 Movement based on the Swiss patent No. 253 051, delivered on February 15, 1948, to Georges Dubey and René Schaldenbrand, La Chaux-de-Fonds, for a “Chronographe à rattrapante”.