ABOUT US
Corporate Information
and History
Introduction of
Our Group Companies
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Watchnian CorporationPurchasing, sales, import/export, pawnbroking, and operation of BtoB auctions for luxury watches, branded bags, fine jewelry, and gemstones in general.
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Quark Co.,Ltd.Retail and purchase or luxury mechanical watches (mainly Rolex) and other related items
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Ginzō
WATCHNIAN Kaitori Senmonten
WATCHNIAN -auction-
Corporate Information
| Corporate name | Watchnian Group Corporation |
|---|---|
| Representative | Hiroki Kozuma, Representative Director |
| Establishment | August 2018 |
| Capital | 80 million yen |
| Banks | Mizuho Bank, Ltd., Sumitomo Mitsui Banking Corporation, MUFG Bank, Ltd., Resona Bank, Limited and others |
| Address | Nishi-Shinjuku Mitsui Building 5F, 6-24-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo 160-0023 |
| Corporate name | Watchnian Corporation |
|---|---|
| Representative | Hiroki Kozuma, Representative Director |
| Business details | Purchasing, sales, import/export, pawnbroking, and operation of BtoB auctions for luxury watches, branded bags, fine jewelry, and gemstones in general |
| Establishment | July 2005 |
| Capital | 80 million yen |
| Banks | Mizuho Bank, Ltd., Sumitomo Mitsui Banking Corporation, MUFG Bank, Ltd., Resona Bank, Limited and others |
| Address | Nishi-Shinjuku Mitsui Building 5F, 6-24-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo 160-0023 |
| Others | Secondhand goods business permit [No. 308930507238/Tokyo Metropolitan Public Safety Commission] |
| Corporate name | Quark Co.,Ltd. |
|---|---|
| Representative | Kentarou Fukuhara, Representative Director |
| Business details | Retail and purchase or luxury mechanical watches (mainly Rolex) and other related items |
| Establishment | April 2002 |
| Capital | 10 million yen |
| Banks | MUFG Bank, Ltd., Mizuho Bank, Ltd., Resona Bank, Ltd., The Shoko Chukin Bank, Ltd., and others |
| Address | 6-3-1 Ueno, Taito-ku, Tokyo 110-0005 |
| Others | Secondhand goods business permit [No.304390506722 / Tokyo Metropolitan Public Safety Commission] |
History
| 2005 | Established Ippu Kishi LLC (presently Watchnian Corporation) Launched domestic wholesaling business |
|---|---|
| 2009 | Launched overseas goods trading business |
| 2010 | Opened a store on a Japanese online shopping mall |
| 2012 | Established TOP J Co., Ltd. (later Watchnian Auction Corporation) to operate second-hand goods trading markets and conduct second-hand goods wholesaling business Opened Ippu Kishi Shinjuku Store, the company’s first retail store |
| 2014 | Reorganized into a joint-stock corporation as Ippu Kishi Co., Ltd. (presently Watchnian Corporation) Established Top Guy Co., Ltd. (later Kaitori Watchnian Corporation) to strengthen purchasing operations from general consumers Opened Top Guy Nakano Store (presently WATCHNIAN Kaitori Specialty Nakano Store) |
| 2015 | Top Guy changed service name to Kaitori Agent Renamed Top Guy Nakano Store to Kaitori Agent Nakano Store |
| 2018 | TOP J Co., Ltd. (later Watchnian Auction Corporation) acquired all shares of Ginzo Corporation (established May 2004) to make it a wholly-owned subsidiary Established Ippu Kishi Holdings Corporation (presently Watchnian Group Corporation) for subsidiary management, making Ippu Kishi Co., Ltd. and TOP J Co., Ltd. its subsidiaries |
| 2019 | Ippu Kishi Holdings Corporation established IPPUUKISHI US, LLC (presently WATCHNIAN US, LLC) to support sales activities of Watchnian Corporation in the United States |
| 2022 | Unified the group brand under “WATCHNIAN” Ippu Kishi Holdings Corporation changed corporate name to Watchnian Group Corporation Ippu Kishi Co., Ltd. changed corporate name to Watchnian Corporation; TOP J Co., Ltd. to Watchnian Auction Corporation; Top Guy Co., Ltd. to Kaitori Watchnian Corporation; and US entity IPPUUKISHI US, LLC to WATCHNIAN US, LLC |
| 2023 | Watchnian Group Corporation acquired Quark Co., Ltd. as a subsidiary, bringing its two subsidiaries (R Co., Ltd. and Quark Hong Kong Co., Ltd.) into the group |
| 2025 | Watchnian Group Corporation established WATCHNIAN Hong Kong Ltd. to support sales activities of Watchnian Corporation in Hong Kong and the Asian region R Co., Ltd. changed corporate name to Quark Co., Ltd. |
| 2026 | Watchnian Corporation absorbed and merged three subsidiaries (Ginzo Corporation, Kaitori Watchnian Corporation, and Watchnian Auction Corporation) as the surviving company |
| 2004 | Established Ginzo Corporation Opened Ginzo Shinjuku Main Store |
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| 2005 | Established Ippu Kishi LLC (presently Watchnian Corporation) |
| 2010 | Ippu Kishi opened its first store on a Japanese online shopping mall |
| 2012 | Established TOP J Co., Ltd. (later Watchnian Auction Corporation) Opened Ippu Kishi Shinjuku Store Launched TOP J Shinjuku Auction |
| 2014 | Established Top Guy Co., Ltd. (later Kaitori Watchnian Corporation) Opened Top Guy Nakano Store (presently WATCHNIAN Kaitori Specialty Nakano Store) Ippu Kishi opened its official online store |
| 2015 | Top Guy changed service name to Kaitori Agent Renamed Top Guy Nakano Store to Kaitori Agent Nakano Store |
| 2018 | Established Ippu Kishi Holdings Corporation Ginzo Corporation joined the group |
| 2022 | Ippu Kishi changed service name to WATCHNIAN Opened WATCHNIAN Ginza Main Store Kaitori Agent changed service name to WATCHNIAN Kaitori Specialty Store TOP J changed service name to WATCHNIAN Auction Ippu Kishi Co., Ltd. changed corporate name to Watchnian Corporation Top Guy Co., Ltd. changed corporate name to Kaitori Watchnian Corporation TOP J Co., Ltd. changed corporate name to Watchnian Auction Corporation |
| 2026 | Watchnian Corporation absorbed and merged three subsidiaries (Ginzo Corporation, Kaitori Watchnian Corporation, and Watchnian Auction Corporation) as the surviving company |
| 1998 | Opened Rolex Specialty Shop Quark |
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| 1998 | Opened Ueno Main store and Daikanyama store |
| 2000 | Opened Shinjuku store and Nagoya-Sakae store |
| 2001 | Opened Shinsaibashi store |
| 2002 | Opened Kobe store |
| 2003 | Opened Sendai store |
| 2004 | Opened Fukuoka store and Yokohama store |
| 2006 | Opened Umeda store |
| 2007 | Opened Shibuya store *Unified and relocated Daikanyama and Shinjuku stores |
| 2010 | Opened Hong Kong store |
| 2012 | Opened Ginza 888 store |
| 2013 | Opened Hiroshima store |
| 2015 | Reopened Shinjuku store *Relocated and renewed following integration with Shibuya store |
| 2016 | Opened Quark Museum |
| 2019 | Opened Quark Lab Nakano |
| 2020 | Opened Quark Salon Tokyo and Quark Salon Osaka |
| 2022 | Opened Kyoto store and Shizuoka store |
| 2023 | Opened Nagoya-Station store Joined Watchnian Group |
| 2024 | Transferred the Quark business to R Co., Ltd. following internal group reorganization |
| 2025 | R Co., Ltd. changed corporate name to Quark Co., Ltd. |
| 2025 | Opened Quark Lab NagoyaOsu |
| 2025 | Opened Quark Sapporo store |
| 2025 | Reopened Quark Salon Tokyo as Quark Daytona Salon |