Important Modern & Vintage Timepieces
Geneva, May 15, 2016
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
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.
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 |