Rare Unused Silver Grasset Helical Mainspring Pocket Watch
Rare Unused 1910 Silver Grasset Helical
Mainspring Gent’s Pocket Watch
Swiss; Isaac Grasset; Man's; Serial# 14,528; CA1910
Complications: Helical mainspring.
CASE: The .800 silver 16-size No. 350 open face case features floral and
DIAL: This white porcelain single sunk dial displays Roman numerals and
has spade hands.
MOVT: This 12-jewel stem-set No. 14,528 gilt movement with lever
escapement and rare helical mainspring and a bridge-style layout and is signed.
(The Case is in Perfect Condition)
(The Dial is in Perfect Condition)
(The Movement is in Perfect Condition)
a scale of #1 being very common to #10 being extremely rare)
Experts Opinion: Rarely seen or offered, but oh my in unused never sold
condition! This is a treasure for the true collector of the unusual! Commonly
sells in the $5-$6,000.00 range, but not seen in this condition previously.
Patented by Grasset in 1910, a unique winding system!