IP Library › Granted Patent US 12,455,538
Granted Patent B2
US 12,455,538 · App. 17/898,831 · Granted Oct 28, 2025

Wrist watch and strap

Inventor: Yuichi Ozawa (Matsumoto, JP)
Assignee: SEIKO EPSON CORPORATION
G04B45/0092A44C5/00G04B37/0008G04B45/02
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Quick Facts
Patent No.
US 12,455,538
App. No.
17/898,831
Granted
Oct 28, 2025
Kind
B2
Abstract

A watch body and a strap are included. The watch body includes a case body having a cylindrical shape, a movement disposed inside the case body, a cover member covering one opening of the case body, and a case back covering the other opening of the case body and including a transmissive region through which the movement can be visually recognized from the outside and the movement can be visually recognized through the cover member. The strap is attached to the watch body and includes a base facing the case back of the watch body and a strap body coupled to the base. The base includes a decoration at a position overlapping at least a part of the transmissive region, and the decoration can be visually recognized through the cover member.

Claims (44)

1. A wrist watch comprising:

a watch body including:

a case body having a cylindrical shape;

a movement disposed inside the case body;

a front cover member covering a front opening of the case body and including a first transmissive region through which light passes; and

a case back covering a rear opening of the case body and including a second transmissive region through which the light passes, the second transmissive region overlapping with the first transmissive region in a plan view; and

a strap attached to the watch body, the strap being configured with:

a base facing an external surface of the case back of the watch body; and

a strap body coupled to the base, wherein

the base includes a decoration at a position overlapping the second transmissive region of the case back, and the decoration is configured to be visually recognized through the first transmissive region of the front cover member,

the base includes a first region and a second region,

the first region includes a surface that is in contact with the case back,

the second region is a recessed region having a recess opening and a recess bottom, and the recess opening is located closer to the case back than the recess bottom, and

the decoration is provided in the recessed region.

2. The wrist watch according to claim 1 , wherein

the decoration contains a luminous material, and the luminous material is configured to:

glow in a dark; and/or

accumulate light.

3. The wrist watch according to claim 1 , wherein

the decoration includes a light emitting unit.

4. The wrist watch according to claim 3 , wherein

the light emitting unit contains a luminous material, and the luminous material is configured to:

glow in a dark; and/or

accumulate light.

5. The wrist watch according to claim 1 , wherein

the decoration includes another opening.

6. The wrist watch according to claim 5 , wherein

the decoration contains a luminous material, and the luminous material is configured to:

glow in a dark; and/or

accumulate light.

7. A strap comprising:

a base facing an external surface of a case back of a watch body, wherein the watch body has:

a front cover member covering a front opening of a case body and including a first transmissive region through which light passes; and

a case back covering a rear opening of the case body and including a second transmissive region through which the light passes, the second transmissive region overlapping with the first transmissive region in a plan view; and

a strap body coupled to the base, wherein

the base includes a decoration at a position overlapping the second transmissive region of the case back, and the decoration is configured to be visually recognized through the first transmissive region of the front cover member,

the base includes a first region and a second region,

the first region includes a surface that is in contact with the case back,

the second region is a recessed region having a recess opening and a recess bottom, and the recess opening is located closer to the case back than the recess bottom, and

the decoration is provided in the recessed region.

8. The strap according to claim 5 , wherein

the decoration contains a luminous material, and the luminous material is configured to:

glow in a dark; and/or

accumulate light.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 30, 2022
From: OZAWA, YUICHI
To: SEIKO EPSON CORPORATION
Reel/Frame 060941/0616 →
Priority Claims (1)
JP 2021-140982 · Aug 31, 2021 · national
Continuity (1)
Related Publication 20230064602A1 · Mar 2, 2023
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