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Important Modern & Vintage Timepieces

Hong Kong, Oct 27, 2019

LOT 43

AMERICAN WALTHAM WATCH CO. “CRYSTAL PLATE” MOVEMENT; WHITE METAL

White metal, open-face, keyless-winding, round-shaped, pocket watch, with subsidiary seconds at 6.

Brand American Waltham Watch Co.

Model “Crystal Plate”

Year Circa 1900

Movement No. 386

Calibre  19’’’, ¾ plate, full plate, rock crystal, non-magnetic straight-line equilibrated lever escapement, freesprung cylindrical hairspring with terminal curves.

Diameter 51.2 mm.

Signature Dial, Case and Movement

Accessories Copies of the invention patents

HKD 32,000 - 40,000

CHF 3,980 - 4,980 / USD 4,000 - 5,000

TO BE SOLD WITHOUT RESERVE

Sold: HKD 93,750


Grading System
Grade: AA

Very good

Case: 3-8

Good

Slightly scratched

Movement: 3-71*

Good

Dial: 3-71-73-01-04

Good

ENAMEL AND VARIOUS TYPES OF DECORATION Hairlines

ENAMEL AND VARIOUS TYPES OF DECORATION Chipped under bezel,not visible when closed

HANDS Original

HANDS Later


Notes

 Waltham “Crystal Plate”
 Movement based on American invention patents delivered to C. V. Woerd, Waltham, Massachusetts (U.S.A.).
Bibliography
• Nijssen, Gerrit A., & Goetz, Carl B., “Waltham’s Crystal Plates”, in NAWCC Bulletin, April 2003, pp. 172-190.