Timepiece with a universal time display

Details Timepiece with a universal time display Timepiece with a universal time display

1993-07-16

1995-01-17

Roskoski, Bernard

Horology: time measuring systems or devices

Plural time zones

With movable disk display

368185, G04B 1922

Patent

active

053831659

ABSTRACT:
The invention concerns a timepiece including a horometric movement (M) with a dial train (8, 46), at least one hours hand (4) which is mounted on an hours pipe (4a) driven by the dial train, a rotary ring (48) driven by the hours pipe so as to effect one revolution per twenty-four hours, a first display means (3) including a twenty-four-hour hours circle and a second display means including geographic indications respectively indicating various time zones, one of the display means (3) being arranged on the rotary ring (48) in order to be displaced facing the other (5) and in order to furnish with the latter a universal time display, characterized in that it includes a correction mechanism (MC) adapted to act on the hours hand (4) independently from the driving of the rotary ring (48).

REFERENCES:
patent: 3472021 (1969-10-01), Karakawa
patent: 4634287 (1987-01-01), Vuilleumier et al.

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