Thumbnail July 1983 Seiko 7549-7010 JDM Tuna - Serviced, No Trades 1

Thumbnail July 1983 Seiko 7549-7010 JDM Tuna - Serviced, No Trades 2

Thumbnail July 1983 Seiko 7549-7010 JDM Tuna - Serviced, No Trades 3

Thumbnail July 1983 Seiko 7549-7010 JDM Tuna - Serviced, No Trades 4

Thumbnail July 1983 Seiko 7549-7010 JDM Tuna - Serviced, No Trades 5

Thumbnail July 1983 Seiko 7549-7010 JDM Tuna - Serviced, No Trades 6

Model:	Seiko 7549-7010	Last Scraped:	Feb. 2, 2026, 8:59 p.m.
Username:	brashears9567	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

July 1983 Seiko 7549-7010 JDM Tuna - Serviced Last Year

All original except new crystal, seals, and Uncle Seiko GL831 strap
Beautiful dial, hands, and lume is as clean as can be. Condition is excellent +, per photos.

Watch was fully serviced by me last year. Although I don't post a lot, I'm not new to servicing watches. I typically service, including fully jeweling, 61 and 63 series movements, so I commonly work on automatic mechanical but also work on some quartz. I also service 7548/9 movements. All this to say, the service was done correctly.

New Seiko gaskets. Klein Vintage Watch crystal. New battery installed at service. Case and lugs have not been polished.
Bidirectional bezel turns as it should, and crown screws down and operates as it should.

Runs great. No fees to me via PayPal. I'll include free shipping in CONUS.

I think I've priced this accurately. I've not been following the market, and I rarely sell watches, so let me know if I'm off on price. Thanks

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	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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