A gentleman`s extremely rare and very fine American pocket watch – lever chronometer – with wooden box and papers
Case: 18 ct. Gold, tiered, smooth a goutte signed gol dome
Dial: enamel, arabic numerals, sunk auxiliary seconds, blued spade hands
Movm.: bridge movement, frosted gilt, polished screws, blue sapphire jewels, wolfs teeth winding wheels, bimetallic gold and platinum screw chronometer balance with 2 regulation weights, blued helical free sprung balance spring with terminal inner curve
Only 500 of this famous „Blue Sapphire“ were created. This is the only American freesprung caliber except for „Elgin father time“. This is one of the highest quality pocket watches ever produced in the US!