The principles of waterproofing watches : official standards, understanding waterproofing, how to repair and adjust waterproof watches /
Fried, Henry B., 1907-1996,
The principles of waterproofing watches : official standards, understanding waterproofing, how to repair and adjust waterproof watches / by Henry B. Fried. - 68 pages : illustrations ; 23 cm
62014817
Clocks and watches--Repairing.
Waterproofing.
Repair USA Waterproof Practical how-to Watch (general)
The principles of waterproofing watches : official standards, understanding waterproofing, how to repair and adjust waterproof watches / by Henry B. Fried. - 68 pages : illustrations ; 23 cm
62014817
Clocks and watches--Repairing.
Waterproofing.
Repair USA Waterproof Practical how-to Watch (general)