Thumbnail [WTS] Seiko SPB317 with stock Seiko rubber straps, Uncle “oyster” bracelet, box, papers, hang-tag. 1

Model:	Seiko 6309	Last Scraped:	Jan. 3, 2026, 7:17 p.m.
Username:	jts__	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

**Price: $650 shipped insured CONUS**, ORBO. Payment via Paypal F&F. Please comment in the thread prior to DMing! **Specs**: - 20mm lugs - 39mm wide - 12mm thick **[Photos & Video](https://drive.google.com/drive/folders/1DA92fPa68urobXiuBNzEmHy_sFHjS7Tq?usp=share_link)** ~~(video still uploading. I'll cross out this text when It's done)~~ Selling a Seiko SPB317 “Slim willard” reissue. The sale includes an Uncle “oyster” bracelet, with extra links, as well as 2x stock Seiko rubber straps. I bought this secondhand and the watch is modded to have a 60-click bezel (easy to undo, as I understand it). There’s some small wear, as shown in photos and video. The rubber strap shown in the photos is accidentally the wrong one, happy to provide other photos of the straps included as needed! To demonstrate you’ve read the listing in its entirety, please mention “yellowtail” in your message. This watch is really great! I just purchased at the same time as a vintage 6309, and the 6309 won out! Price is pretty firm, but happy to discuss. I’m asking **$650 ORBO** net to me (shipping CONUS included), via PayPal F&F. Given all the shipping stuff going on these days, I’m pretty firm on only shipping in the US. Willing to consider other modes of payment, primarily for accounts with reputation. Not interested in trades at this time.

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The price of this watch is an outlier for this particular model and not included in the distribution. It may be miscategorized, incorrectly priced, or extremely unique.

Highest:	$299	Lowest:	$30
Median:	$135.00	Std. Dev:	±$50.63

Estimated Private Party Value $116 — $175


	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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