Thumbnail [WTS] Grand Seiko 5646-7010, 1973, Serviced, €740 1

Model:	Seiko 5646-7010	Last Scraped:	April 26, 2025, 3:17 p.m.
Username:	JDblankSoft	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

Vintage Grand Seiko 5646-7010 from February 1973, just serviced (26/04/2025) and keeping excellent time. Movement is a 28,800 bph 25 jewel 5646A automatic movement with functioning hacking, hand winding, day/date and day/date quickset. Crystal aand gaskets were replaced during service, in addition to a new day/date star (981.560). Case, dial and hands are all in nice original condition, as captured in the photos. Case diameter is 36.5 mm, case lug to lug is 41 mm long, case height is 10.7 mm, lug width is 18mm. Album: [https://imgur.com/a/9OzhZJ3](https://imgur.com/a/9OzhZJ3) Timestamp: [https://imgur.com/a/mKpILnK](https://imgur.com/a/mKpILnK) Selling for €740 net to me via Mobilepay/Revolut/IBAN transfer or Paypal, tracked shipping worldwide is €21, or €12 within Denmark. Watch is located in Copenhagen, Denmark and local collection is possible.

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Highest:	$400	Lowest:	$80
Median:	$220.00	Std. Dev:	±$63.10

Estimated Private Party Value $174 — $245


	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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