B305 - A Waltham Vanguard RR Watch by Robert D. Porter, CMW
$9.50
A Waltham Vanguard RR Watch by Robert D. Porter, CMW
* A Waltham Vangaurd RR Watch, Robert D. Porter, CMW
* Soft cover, 16 pages
* A detailed repair study for a 16 size, 21 jewel Waltham Vanguard pocket watch power reserve
* 16 pages of research, with detailed diagrams and photos