Thumbnail [WTS] Seiko Brightz SDGC031 – 15th Anniversary Limited Edition (888 pcs) – Full Set – $800 1

Thumbnail [WTS] Seiko Brightz SDGC031 – 15th Anniversary Limited Edition (888 pcs) – Full Set – $800 2

Thumbnail [WTS] Seiko Brightz SDGC031 – 15th Anniversary Limited Edition (888 pcs) – Full Set – $800 3

Thumbnail [WTS] Seiko Brightz SDGC031 – 15th Anniversary Limited Edition (888 pcs) – Full Set – $800 4

Thumbnail [WTS] Seiko Brightz SDGC031 – 15th Anniversary Limited Edition (888 pcs) – Full Set – $800 5

Thumbnail [WTS] Seiko Brightz SDGC031 – 15th Anniversary Limited Edition (888 pcs) – Full Set – $800 6

Model:	Seiko Brightz	Last Scraped:	Jan. 3, 2026, 12:47 p.m.
Username:	No_Medicine_8061	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

Up for sale is a Seiko Brightz SDGC031 – 15th Anniversary Limited Edition, a rare Japan Domestic Market (JDM) release limited to only 888 pieces worldwide. The watch is pre-owned but in excellent, near-new condition, with almost no visible scratches. It has been lightly worn and very well taken care of. This is a highly collectible Brightz model that is getting harder to find. Most listings are priced at $1,000+ before shipping, but I’m offering this one at $800, making it a very competitive deal for a full set example. Condition • Pre-owned • Excellent condition, looks almost new • Almost no visible scratches Included • Inner & outer box • Papers & warranty card • Extra bracelet links (fits up to ~21cm wrist) Specifications • Case size: 41mm • Thickness: 12.7mm • Movement: Seiko in-house 6R21 automatic • 29 jewels • 28,800 bph • Sapphire crystal front & back (AR coating) • 100m water resistance Price 💲 $800 🚚 Shipping: $80 (FedEx / EMS with tracking, worldwide) Payment • PayPal Friends & Family • PayPal Goods & Services (+4.6% fee) Photos: https://imgur.com/gallery/WVgaNFm Feel free to message me if you need additional photos or have any questions. Thanks for looking!

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Highest:	$1,350	Lowest:	$35
Median:	$675.00	Std. Dev:	±$301.42

Estimated Private Party Value $320 — $850


	Established:	1881
	Website:	http://seikousa.com/index.php
	Country of Origin:	Japan

The company was founded in 1881, when Kintarō Hattori opened a watch and jewelry shop called "K. Hattori" (服部時計店 Hattori Tokeiten?) in the Ginza area of Tokyo, Japan. Eleven years later, in 1892, he began to produce clocks under the name Seikosha (精工舎 Seikōsha?), meaning roughly "House of Exquisite Workmanship". According to Seiko's official company history, titled "A Journey In Time: The Remarkable Story of Seiko" (2003), Seiko is a Japanese word meaning "exquisite" or "success" ("exquisite" is usually written 精巧 from Chinese jīngqiǎo, while the meaning "success" is usually written 成功 from Chinese chénggōng).

Seiko is perhaps best known for its wristwatches, all of which were at one time produced entirely in-house. This includes not only major items such as microgears, motors, hands, crystal oscillators, batteries, sensors, LCDs but also minor items such as the oils used in lubricating the watches and the luminous compounds used on the hands and the dials.

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