[WTS] Vintage Seiko AGS 5M23 Titanium Diver (Blue Dial, 200m) – $220 Shipped

Thumbnail [WTS] Vintage Seiko AGS 5M23 Titanium Diver (Blue Dial, 200m) – $220 Shipped 3

Thumbnail [WTS] Vintage Seiko AGS 5M23 Titanium Diver (Blue Dial, 200m) – $220 Shipped 4

Thumbnail [WTS] Vintage Seiko AGS 5M23 Titanium Diver (Blue Dial, 200m) – $220 Shipped 5

Thumbnail [WTS] Vintage Seiko AGS 5M23 Titanium Diver (Blue Dial, 200m) – $220 Shipped 6

Thumbnail [WTS] Vintage Seiko AGS 5M23 Titanium Diver (Blue Dial, 200m) – $220 Shipped 7

Model:	Seiko	Last Scraped:	Sept. 7, 2025, 7:47 p.m.
Username:	Sweet-Plastic7689	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

Timestamp : [IMG-0631.jpg](https://postimg.cc/CnswsRLY) Up for sale is a vintage Seiko AGS Titanium Scuba Diver 200m (ref. 5M23-6B40) — one of Seiko’s early AGS (Automatic Generating System) divers, the first-gen kinetic technology that later became “Seiko Kinetic.” This model is lightweight titanium with the uncommon blue dial, making it both a great tool watch and a collectible piece. Details: • Titanium case in excellent condition • Original blue dial with “SEIKO AGS Titanium Scuba 200m” text (clean, no marks) • Original hands (excellent condition, no blemishes) • New crystal installed (clear & scratch-free) • Original rotating bezel, fully functional • Original titanium bracelet (~6 inch wrist, with clasp extension option for larger wrists) • Watch is running properly and holds power reserve well • Fresh battery will be installed before shipping Price: $220 (includes worldwide shipping) Payment: PayPal G&S or Wise 📌 Note: Import duties/taxes are the buyer’s responsibility.

Reputation and Feedback

This seller did not provide contact information in the listing description. You must be a member of Reddit to send them a private message. If you are not already a member, request a new account at https://www.reddit.com/register/.

No feedback was found for this seller. Although this does not mean the seller is untrustworthy, you should exercise caution in dealing with them.

Also keep in mind: TimeZone, Chronotrader, Seiko & Citizen Watch Forum, and Wrist Sushi do not have dedicated feedback forums.


	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.

View Brand Page