Buckle for watch bands
 A buckle for watch bands comprising three folding members. The members are a clasping member connected to an end of one of the watch bands, a middle plate rotatably connected to the clasping member at one end thereof, and a bottom plate rotatably connected to the other end of the middle plate and connected to one end of the other band. The clasping member and the bottom plate are engaged with each other by an engaging means. A lock member is rotatably supported on the clasping member. A primary hook portion is provided on the lock member, and a secondary hook portion is provided on the bottom plate. The primary hook portion is adapted so as to engage with the secondary hook portion by rotating the lock member when the buckle is in folded state. 
Citizen Watch Co., Ltd.
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Y10T A44C Y10T Y10T Y10T Y10S Y10T
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Yoshinobu
Mori