FIELD: physics.
SUBSTANCE: clock has a housing, a clock mechanism mounting plate, a clock face placed over the clock mechanism mounting plate, said clock face having an opaque region and a transparent region, a pointer indication means placed in the transparent region of the clock face, said means having a front and a back glass and, placed in between, at least one transparent disc with a toothed ring; according to the invention, the clock mechanism mounting plate is fitted with a basic wristwatch mechanism under the opaque region of the clock face and the clock mechanism mounting plate has a through-hole having a similar shape and size to the transparent region of the clock face, and said through-hole having a similar shape to the transparent region of the cock face is fitted with a pointer indication means which is interfaced through an arrow actuating mechanism to the basic wristwatch mechanism.
EFFECT: simplification and increased compactness, high manufacturability and low cost of manufacture, easy repairability, high reliability of operation, improved visual appeal and improved ergonomic properties of secret clocks, primarily wristwatches.
33 cl, 1 tbl, 25 dwg
Authors
Dates
2014-08-27—Published
2013-03-07—Filed