Important Modern and Vintage Timepieces

New York, Apr 10, 2013

LOT 187

BLACK STARR & FROST LAPEL WATCH PLATINUM AND DIAMOND Black, Starr & Frost, No. 85451, case No. 204957. Made for Black, Starr & Frost by Ed. Koehn, Geneva, Switzerland circa 1910. Very Fine and unusual, platinum, sapphire and diamond-set, keyless, lapel watch with articulated integral diamond and ruby-set brooch. Accompanied by a box.

USD 7,000 - 10,000

HKD 54,000 - 75,000 / CHF 6,700 - 9,500

C. Two-body, solid, polished, hinged case back, bezel pave-set with rows of diamonds and rubies, the corners set with 4 pearshaped diamonds. D. Matte silver with painted Arabic numerals, outer minute track. Blued steel spade hands. M. Cal. 5??? tonneau, rhodium-plated, 16 jewels, straight-line lever escapement, cut bimetallic compensation balance adjusted to 7 positions, blued steel flat balance spring. Case signed Black, Starr & Frost, movement signed Ed. Koehn, Geneva, Switzerland. DIM. 14 x 25 mm. THICKNESS 6 mm.


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Grading System
Grade: AAA

Excellent

Case: 3-78

Good

ENAMEL AND VARIOUS TYPES OF DECORATION Missing pearl(s)/stone(s)

Movement: 3*

Good

Overhaul recommended, at buyer's expense

Dial: 3-10-01

Good

Patinated

HANDS Original