| Product Categories | Wristwatches from entry level to luxury; group also makes clocks, electronic devices and semiconductors | Crystal jewellery, lab-grown diamond jewellery, watches, figurines, home decor and lighting, accessories | — | — |
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| Signature Collections | Prospex, Presage, Astron, Seiko 5 Sports, King Seiko; related brands Grand Seiko, Credor (mainly Japan), Lorus, Pulsar, Alba | Swarovski Created Diamonds (lab-grown), Atelier Swarovski designer collaborations, crystal figurines | — | — |
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| Watch Movements | In-house mechanical (automatic), quartz, Kinetic, solar, Spring Drive and GPS solar (Astron); vertically integrated manufacturer | Swiss made watches (first collection 1999); movement varies by model | — | — |
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| Price Positioning | Broad range from about ¥4,000 (~US$45) to ¥50 million; Presage mostly US$200–3,000 | — | — | — |
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| Warranty | Not verified | 2 years on jewellery and accessories; Created Diamonds jewellery 3 years (made-to-order 5 years); watches under separate terms | — | — |
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| Servicing & Repairs | Repairs and battery replacement via Authorized Seiko Service Centers; Seiko recommends servicing about every three years | — | — | — |
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| Returns Policy | — | EU (e.g. DE): 30 days after receipt online, 30 days in store; personalised, engraved, adjusted and made-to-order items excluded; mailed returns may carry a fee | — | — |
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| Founded | 1881, Tokyo (K. Hattori, by Kintarō Hattori); HQ Ginza, Tokyo | 1895, Wattens, Austria | — | — |
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| Parent Company | Seiko Group Corporation (Hattori family holding company); Seiko Epson is a separate company | Privately held, owned by the Swarovski founding family | — | — |
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| Key Materials | Titanium and ceramic cases on select models; gold and platinum on Credor pieces | Lead-free crystal glass (all crystal since 2012), lab-grown diamonds (Created Diamonds), coated crystal effects such as Aurora Borealis | — | — |
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| Free Shipping Threshold | — | US: free standard shipping over $150; EU (e.g. DE): over €99; UK: over £80 | — | — |
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| Notable Innovations | Astron (1969), first commercial quartz wristwatch; Spring Drive (1999); Astron GPS Solar (2012) | — | — | — |
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