Important Modern & Vintage Timepieces

Geneva, May 15, 2016

LOT 137

BRYANT BIGGS CHRONOMETER DETENT ESCAPEMENT POWER RESERVE Bryant Biggs, Cardiff, case No. 18411. Made circa 1860. Very fine and rare, 18K gold, key-wound pocket Chronometer with detent escapement, with power- reserve indication

CHF 2,000 - 4,000

HKD 16,000 - 32,000 / USD 2,100 - 4,200

Sold: CHF 4,375

Three-body, heavy, polished. White enamel, radial Roman numerals, outer minute track, subsidiary dial for the seconds, sector below 12 for the power reserve. Blued steel spade hands. Frosted gilt, three quarter plate, 18 jewels, detent escapement, cut bimetallic compensation balance with gold compensation screws, blued steel Breguet balance spring, diamond endstone. Movement signed.


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Grading System
Grade: AA

Very good

Case: 2-8

Very good

Slightly scratched

Movement: 3*

Good

Overhaul recommended, at buyer's expense

Dial: 2-01

Very good

HANDS Original

Notes

DIAM. 53 mm. THICKNESS 16 mm.