Timepiece having central opening

Horology: time measuring systems or devices – Chronological – With mechanical or electromechanical driven display

Patent

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Details

368223, 368281, 368285, G04B 1920, G04B 3700

Patent

active

045250774

ABSTRACT:
A time piece such as a pocket or wrist watch having a large central opening formed therethrough which causes the watch to assume a toroidal configuration. Various inserts, made complimentary respective to the central opening, are supported within the central opening. The artistic design placed on either face of the insert admits a large selection of unique and personalized material to be readily available to the individual that wears the watch.

REFERENCES:
patent: 3712046 (1973-01-01), Dill
patent: 3952499 (1976-04-01), Reisman
patent: 3968639 (1976-07-01), Bekets et al.
patent: 4253178 (1981-02-01), Kolaczia

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