In 2004, Citichamp (Holdings) acquired China Everbright Technology Limited (later to be known as "China Haidian") and Sincere View International Limited became the largest shareholder of China Haidian.

In 2008, China Haidian acquired 91% equity interest in Zhuhai Rossini Watch Industry Ltd., which was included among "Asia’s 500 Most Influential Brands" in the same year.  

In 2009, the Rossini Tourbillion Watch and the "CRONOS" Solar Wave Ceptor Watch were recognised as industry leaders. Rossini was designated as a "Hi-tech Enterprise." The Group acquired Shenzhen Permanence Commerce Co., Limited during the same year, through which the Group distributed its watches overseas, a major advance in its development. 

In 2010, the Group disposed 30% of its equity interests in Shenzhen Guanyang Property Development Company Limited (深圳冠洋房地產有限公司). Further diversifying its business, two joint ventures, Ruihuang (Chongqing) Watch Company Limited and Guangdong Juxin Watch Company Limited (廣東鉅信鐘錶有限公司), were established, which were 51% held by the Group. 

In 2010, EBOHR garnered the "International Quality Summit Award" from B.I.D in New York and Rossini’s "CRONOS" Solar Wave Ceptor Watch captured the "KAPOK Prize" within the "China Innovative Design Awards 2010." 

In 2011, the Group successfully raised around HK$470 million in capital. More than HK$200 million was earmarked to acquire the entire equity interest of the Swiss watch brand ETERNA with a history of more than 150 years, as well as the rights to design, manufacture and sell the PORSCHE DESIGN brand of watches globally. During the same year, the Group established a joint venture with Guangzhou Watch Factory in Guangzhou, namely Guangzhou Five Goat Watch Company Limited, in which it owned 78% interests. The Group also disposed of its enameled copper wires business in this year and hereafter China Haidian completed its transformation into a leading multinational watch enterprise. 

In 2011, Hon Kwok Lung, Chairman of the Group, was honoured as "Person of the Year" at "Leaders of 2011," an event organised by All Leaders Publication Group Limited and China Federation of Overseas Chinese Entrepreneurs. EBOHR was also designated as a "National High-tech Enterprise."

In 2012, EBOHR was distinguished as a "National Advanced Enterprise with Excellent Performance in Light Industry." The "Fancy Dream" and "Lucky Symbol" series under the KANA brand garnered the 2012 Red Star Design Award. The Rossini Range 1 series captured the "Premium Design Award" in the "Guangdong Governor Cup," while the Tourbillion and Gemini series won the "China Outlook Design Award."

In 2012, Rossini was distinguished with inclusion in the "100 Pilot Sites of Industrial Companies for Brand Cultivation in China" by the Ministry of Industry and Information Technology of the PRC, making it one of the key national development enterprises. An ongoing achievement was the sales of Rossini watches ranking first among similar products in the market for 10 consecutive years (2002-2011) by the China General Chamber of Commerce and the China National Commercial Information Centre.

In 2012, EBOHR and Rossini were honoured among "China’s 500 Most Valuable Brands of the Year 2012" by the World Brand Laboratory. Rossini was also included among "Asia’s 500 Most Influential Brands in 2012." 

In 2012, the Rossini Watch Industrial Park and Rossini Clock Museum were established in Zhuhai and related industry and visitor projects also commenced at the same time. 

In 2013, the Group acquired 100% equity interest in Montres Corum Sàrl and its subsidiaries and its globally-renowned Swiss watch brand Corum, at approximately HK$713 million, the first merger and acquisition of a top Swiss-brand by a Chinese company.

MAY 2013 The Eterna Cup Golf Tournament, which was organised by the Subcommittee of Hong Kong, Macao and Taiwan Compatriots of the Beijing Committee of the Chinese People’s Political Consultative Conference, was held in Beijing.

SEPTEMBER 2013 Montres Corum Sàrl participated in the 5th edition of the “ONLY WATCH” live auction in Monaco, a world-renowned charitable fundraiser organised by the Monaco Association against Muscular Dystrophy. Together with other 32 one-off timepieces created for ONLY WATCH by the world’s finest watchmakers, Corum’s TiBridge Power Reserve was on show during the world tour exhibition starting from 30 August and made stopovers in Japan, Singapore, Hong Kong, Mainland China, USA and Switzerland before being presented in Monaco in the presence of Prince Albert II of Monaco and leading watch manufactures CEOs on 25 to 27 September.

NOVEMBER 2013 EBOHR sponsored “EBOHR Cup” 2013 Tour of Fuzhou, an international cycling race held in Fuzhou. With the participation of leading world-class athletes, the event generated tremendous publicity in international and local media.

APRIL 2014 The Group acquired 100% interest in The Dreyfuss Group Limited and its subsidiaries (together the “Dreyfuss Group”), which owns watch brands Rotary, Dreyfuss & Co. and J & T Windmills, at a consideration of GBP27,000,000.

May 2015 The name of the Company has been changed from “China Haidian Holdings Limited (中國海澱集團 有限公司)” to “Citychamp Watch & Jewellery Group Limited (冠城鐘錶 珠寶集團有限公司)”

JULY 2014 Citychamp Watch and Jewellery SwissCo AG, a wholly-owned subsidiary of the Company incorporated in Switzerland, issued bonds of CHF 100 million and the bonds started to be listed and traded on the SIX Swiss Exchange.

MAY 2015 Corum sponsored the Turkcell Platinum Bosphorus Cup, which had more than 60 IRC boats having crossing the departure line on the Bosphorus, Marmara Sea in Turkey as the Official Timekeeper of this spectacular race. Corum offered an Admiral’s Cup Challenger 44 GMT watch to this spectacular cup. Being strongly linked to the sailing world since its creation, it was an obvious match for Corum to be a partner of this prestigious sailing event as Official Timekeeper.

MAY 2015 Rossini bid RMB63 million and won the tender for an industrial site of 24,000 m2 and the factory facilities of 24,000 m2 erected above. The site will be developed as Rossini’s 2nd phrase facilities comprising global e-commerce centre, technology research and development centre, smart watch research and development centre and base for upscale clocks.

Corum, which was founded in 1955, turned 60 at Baselworld 2015. For its 60th anniversary, the brand introduced various unique pieces, including a special flying tourbillion as well as a dial made out of wood to reproduce the deck of a boat in an Admiral’s Cup watch, and a special Golden Bridge featuring a phoenix entwined with dragon, two legendary animals twisted around the baquette caliber.