| Product Categories | Wristwatches from entry level to luxury; group also makes clocks, electronic devices and semiconductors | Fine and high jewellery, watches, leather goods, sunglasses and eyeglasses | — | — |
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| Signature Collections | Prospex, Presage, Astron, Seiko 5 Sports, King Seiko; related brands Grand Seiko, Credor (mainly Japan), Lorus, Pulsar, Alba | Jewellery: Love, Juste un Clou, Panthère de Cartier; Watches: Tank, Santos de Cartier, Ballon Bleu, Pasha, Panthère | — | — |
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| Watch Movements | In-house mechanical (automatic), quartz, Kinetic, solar, Spring Drive and GPS solar (Astron); vertically integrated manufacturer | Quartz, high-autonomy quartz (approx. 8-year battery on select Must de Cartier models) and mechanical, incl. manual-winding (select models) | — | — |
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| Price Positioning | Broad range from about ¥4,000 (~US$45) to ¥50 million; Presage mostly US$200–3,000 | Luxury; part of the Richemont luxury group | — | — |
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| Warranty | Not verified | Watches: 24-month International Cartier Guarantee against manufacturing defects (separate terms in US, Canada, Australia); Cartier Care registration extends total cover to up to 8 years | — | — |
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| Servicing & Repairs | Repairs and battery replacement via Authorized Seiko Service Centers; Seiko recommends servicing about every three years | Watch repairs carry their own 24-month warranty; Cartier Care members get complimentary technical diagnostics and advice | — | — |
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| Personalisation & Engraving | — | Personalisation offered on select items (e.g. leather goods); engraved or personalised creations cannot be returned | — | — |
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| Responsible Sourcing | — | One of 14 founding members of the Responsible Jewellery Council (2005); RJC-certified, re-certified for the fourth time in 2019 | — | — |
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| Returns Policy | — | e-Boutique (e.g. EU sites): request return within 30 days of delivery, unused with tags; engraved/personalised items excluded; terms vary by country | — | — |
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| Founded | 1881, Tokyo (K. Hattori, by Kintarō Hattori); HQ Ginza, Tokyo | 1847, Paris, France | — | — |
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| Parent Company | Seiko Group Corporation (Hattori family holding company); Seiko Epson is a separate company | Richemont | — | — |
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| Key Materials | Titanium and ceramic cases on select models; gold and platinum on Credor pieces | — | — | — |
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| Notable Innovations | Astron (1969), first commercial quartz wristwatch; Spring Drive (1999); Astron GPS Solar (2012) | — | — | — |
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