US 11,868,091 B2
Watch
Eiichi Hiraya, Shiojiri (JP)
Assigned to SEIKO EPSON CORPORATION
Filed by Seiko Epson Corporation, Toyko (JP)
Filed on Jan. 26, 2021, as Appl. No. 17/158,087.
Claims priority of application No. 2020-010599 (JP), filed on Jan. 27, 2020.
Prior Publication US 2021/0232099 A1, Jul. 29, 2021
Int. Cl. G04C 10/04 (2006.01); G04B 1/16 (2006.01); G04B 11/04 (2006.01); G04B 19/02 (2006.01)
CPC G04C 10/04 (2013.01) [G04B 1/16 (2013.01); G04B 11/04 (2013.01); G04B 19/02 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A watch comprising:
a barrel complete including a barrel arbor and a mainspring;
a ratchet wheel configured to rotate integrally with the barrel arbor, and wind up the mainspring;
a power reserve hand configured to be visually recognizable from a watch rear side, and indicate a remaining amount of the mainspring wound up;
an oscillating weight including a weight and a weight body configured to support the weight;
a transmission wheel configured to rotate the ratchet wheel;
a pawl lever configured to engage with the transmission wheel;
an eccentric wheel that includes an eccentric shaft member to which the pawl lever is attached and an eccentric toothed gear configured to rotate in conjunction with the oscillating weight, and is configured to cause the pawl lever to advance and retreat in directions toward and away from the transmission wheel;
a train wheel bridge provided between the pawl lever and the oscillating weight, and configured to support the transmission wheel; and
a seconds wheel and pinion including a seconds hand shaft to which a seconds hand is attached, wherein
the eccentric shaft member and the seconds hand shaft are disposed in positions that do not overlap each other in plan view as viewed from a direction along the seconds hand shaft, and are supported by the train wheel bridge, and
the power reserve hand is disposed in a position that does not overlap the weight in the plan view, and is disposed in a position that overlaps the train wheel bridge in side view orthogonal to the seconds hand shaft.