Thumbnail [WTS] Vintage August 1978 Seiko 7549-7010 Tuna Can Quartz Professional 300M Watch - $575 1

Thumbnail [WTS] Vintage August 1978 Seiko 7549-7010 Tuna Can Quartz Professional 300M Watch - $575 2

Thumbnail [WTS] Vintage August 1978 Seiko 7549-7010 Tuna Can Quartz Professional 300M Watch - $575 3

Thumbnail [WTS] Vintage August 1978 Seiko 7549-7010 Tuna Can Quartz Professional 300M Watch - $575 4

Thumbnail [WTS] Vintage August 1978 Seiko 7549-7010 Tuna Can Quartz Professional 300M Watch - $575 5

Thumbnail [WTS] Vintage August 1978 Seiko 7549-7010 Tuna Can Quartz Professional 300M Watch - $575 6

Thumbnail [WTS] Vintage August 1978 Seiko 7549-7010 Tuna Can Quartz Professional 300M Watch - $575 7

Thumbnail [WTS] Vintage August 1978 Seiko 7549-7010 Tuna Can Quartz Professional 300M Watch - $575 8

Thumbnail [WTS] Vintage August 1978 Seiko 7549-7010 Tuna Can Quartz Professional 300M Watch - $575 9

Thumbnail [WTS] Vintage August 1978 Seiko 7549-7010 Tuna Can Quartz Professional 300M Watch - $575 10

Thumbnail [WTS] Vintage August 1978 Seiko 7549-7010 Tuna Can Quartz Professional 300M Watch - $575 11

Thumbnail [WTS] Vintage August 1978 Seiko 7549-7010 Tuna Can Quartz Professional 300M Watch - $575 12

Thumbnail [WTS] Vintage August 1978 Seiko 7549-7010 Tuna Can Quartz Professional 300M Watch - $575 13

Thumbnail [WTS] Vintage August 1978 Seiko 7549-7010 Tuna Can Quartz Professional 300M Watch - $575 14

Thumbnail [WTS] Vintage August 1978 Seiko 7549-7010 Tuna Can Quartz Professional 300M Watch - $575 15

Model:	Seiko 7549-7010	Last Scraped:	June 5, 2025, 3:16 p.m.
Username:	client42	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

Timestamp: https://imgur.com/a/HSy3334 For sale is a Seiko 7549-7010 Tuna Can Quartz Professional 300M Watch Movement: Quartz Condition: Used Strap: Aftermarket rubber Box: None Warranty card: None Manual: None Serial dates production to August 1978. Service history unknown. Crown screws down correctly, bezel turns and clicks unidirectionally. Approximate measurements: Case diameter: 47.2mm (excluding crown) Lug width: 22mm Lug to lug: 44.3mm Thickness: 14.5mm Asking $575 USD including tracked shipping to US. UPS Expedited/Express, Canadian, and global shipping available at an additional cost. Payment via Wise, crypto, wire, e-Transfer (for Canadians), or PayPal Invoice (+3.9%). No trades and please comment before messaging.

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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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