Model:	Seiko Sumo	Last Scraped:	Feb. 24, 2024, 10:47 p.m.
Username:	tdoan89	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

**To help you better understand how you should feel, I created a Reddit Feelings Guide:** [https://imgur.com/a/ponzqo4](https://imgur.com/a/ponzqo4) **Follow me on Instagram at** [**instagram.com/tradeyouakidney**](https://instagram.com/tradeyouakidney) **Dimensions:** 45mm x 12.5mm case, 52.5mm lug to lug, 20mm lug width **Other stuff:** Caliber 6R35 automatic movement, 70 hour power reserve, sapphire crystal, black dial, date window with date quickset, screw down crown, 200M water resistance, rotating bezel, comes on an OEM oyster bracelet with all links **Condition grade (**[**Click Here for Scale Guide**](https://www.reddit.com/user/tdoan89/comments/djiaqj/standardized_scale_of_watch_condition/)**):** Brand new **Movement condition (service history unknown unless stated here):** Brand new **Box and papers:** Yes, blank papers **Price:** Asking $350, payment via wire, Transferwise, Zelle, or crypto; shipping and insurance included I am located in Austin, Texas and I do ship international, sometimes at no extra cost but it depends on the weight and destination **Trades:** Not at this time **My feedback:** [Click Here](https://www.reddit.com/r/WatchExchangeFeedback/search?q=tdoan89&sort=new&restrict_sr=on&t=all) **Album (serial numbers edited out):** [https://imgur.com/a/Pq1voYk](https://imgur.com/a/Pq1voYk) **Timestamp:** [https://imgur.com/0JMc55x](https://imgur.com/0JMc55x)

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Highest:	$780	Lowest:	$190
Median:	$450.00	Std. Dev:	±$111.35

Estimated Private Party Value $400 — $519


	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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