[WTS] Grand Seiko GMT (Ref. SBGM221)

Model:	Seiko	Last Scraped:	July 23, 2025, 3:16 p.m.
Username:	keepiece	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

Brand: Grand Seiko Model: SBGM221 Movement: Calibre 9S66 Case: 39.5mm Lug to lug: 46.9mm Crystal: Box shaped sapphire Strap: Two original Grand Seiko leather straps Box & papers: Full set- box and papers Location: Los Angeles Price: $3,999 Web/IG: [keepiece.co](http://keepiece.co) PICTURES/TIMESTAMP: [https://imgur.com/a/QdYnXCA](https://imgur.com/a/QdYnXCA) CONDITION & SERVICING This Seiko watch comes as a full set, with its original box and papers. The watch is in excellent condition and has perfect mechanical functionality.

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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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