Thumbnail [WTS] 1973 JDM SEIKO LM Special 5206-6100 Hi beat 28,800bph - $489 (Serviced) 1

Thumbnail [WTS] 1973 JDM SEIKO LM Special 5206-6100 Hi beat 28,800bph - $489 (Serviced) 2

Thumbnail [WTS] 1973 JDM SEIKO LM Special 5206-6100 Hi beat 28,800bph - $489 (Serviced) 3

Thumbnail [WTS] 1973 JDM SEIKO LM Special 5206-6100 Hi beat 28,800bph - $489 (Serviced) 4

Thumbnail [WTS] 1973 JDM SEIKO LM Special 5206-6100 Hi beat 28,800bph - $489 (Serviced) 5

Thumbnail [WTS] 1973 JDM SEIKO LM Special 5206-6100 Hi beat 28,800bph - $489 (Serviced) 6

Thumbnail [WTS] 1973 JDM SEIKO LM Special 5206-6100 Hi beat 28,800bph - $489 (Serviced) 7

Model:	Seiko 5206-6050	Last Scraped:	Sept. 5, 2025, 10:47 p.m.
Username:	ReadyCoach2810	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

Timestamp: [https://postimg.cc/sByx5b0d](https://postimg.cc/sByx5b0d) 1973 JDM Seiko LM Special 5206-6100 Hi-Beat 28,800bph A true vintage gem, the Seiko LM (Lord Matic) Special 5206-6100 from 1973 showcases the golden era of Seiko watchmaking. Powered by the hi-beat 5206 automatic movement running at 28,800 bph, it offers smooth sweep seconds, quickset day/date, and excellent accuracy. With its sharp case lines and elegant dial design, this JDM-exclusive model reflects Seiko’s pursuit of both precision and style. 🔹Features: ▫️Reference: 5206-6100 ▫️Year: 1973 (JDM model) ▫️Movement: Seiko 5206 automatic, hi-beat 28,800 bph ▫️Functions: Hours, minutes, seconds, quickset day/date (Kanji/English) ▫️Case: Stainless steel ▫️Dial: Classic vintage finish with applied indices ▫️ Replaced faceted glass with a Crystal glass as I think this looks more good 🔹Measurements: ▫️Case diameter: 36 mm (excluding crown) ▫️Lug-to-lug: 42 mm ▫️Thickness: \~12 mm ▫️Lug width: 18 mm

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Highest:	$499	Lowest:	$99
Median:	$321.50	Std. Dev:	±$106.97

Estimated Private Party Value $265 — $399


	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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