Portable watch
AssigneeSeiko Instruments Inc.
InventorsHaruki Hiranuma, Kazutaka Imai
Life of this patent
Estimating the term…
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AssigneeSeiko Instruments Inc.
InventorsHaruki Hiranuma, Kazutaka Imai
Estimating the term…
A wristwatch having a lid marking on a back lid which is screwed into a body is predicted. The body includes a lid mounting portion, and a lid receiving portion includes a thread and lid receiving surface on the side of an interior of the body with respect to the thread. The back lid includes a lid plate superimposed on the lid receiving surface and a holding ring. The lid plate includes an annular projection on a peripheral surface thereof and the lid marking on the front surface thereof. The holding ring includes a thread screwed in the thread. The holding ring is mounted on the lid mounting portion by screwing the both threads, and an annular projection is clamped between the ring and the lid receiving surface to fix the lid plate. A detent portion is provided on the lid mounting portion. An engaging portion to be engaged with the detent portion is provided on the lid plate. The lid marking is provided in such a manner that the lid marking is aligned with a 12 o'clock to 6 o'clock direction of a time display portion in a state in which the engaging portion and the detent portion are engaged with each other.
A portable watch comprising:
Dependencies are inferred from the claim text.