Thumbnail [WTS] Custom Bronze 62MAS Style ‘Seiko Mod’ Build 1

Thumbnail [WTS] Custom Bronze 62MAS Style ‘Seiko Mod’ Build 2

Thumbnail [WTS] Custom Bronze 62MAS Style ‘Seiko Mod’ Build 3

Thumbnail [WTS] Custom Bronze 62MAS Style ‘Seiko Mod’ Build 4

Thumbnail [WTS] Custom Bronze 62MAS Style ‘Seiko Mod’ Build 5

Thumbnail [WTS] Custom Bronze 62MAS Style ‘Seiko Mod’ Build 6

Thumbnail [WTS] Custom Bronze 62MAS Style ‘Seiko Mod’ Build 7

Thumbnail [WTS] Custom Bronze 62MAS Style ‘Seiko Mod’ Build 8

Model:	Seiko 62MAS	Last Scraped:	Feb. 1, 2026, 3:17 a.m.
Username:	cmwills29	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

Timestamp: https://imgur.com/a/5GNsAGx Pics: https://imgur.com/a/KDio72O Video: https://imgur.com/a/rXxm7Yg Asking $150 via Paypal F&F, Zelle, or Venmo shipped and insured within US Has a Cu-Bronze 62MAS case with vintage top hat sapphire crystal from AliX, Dial was poached off an old Seiko Quartz watch and fits on the NH36 movement (though part of the date gets slightly hidden on the edge). Put this on a black rubber strap with a matching Zelos Cu-Bronze clasp I found used. Caseback is SS. Ceramic bezel insert and some nice gold brushed/polished edges MM300 hands. Diameter: 41mm Lug width: 20mm

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Highest:	$1,825	Lowest:	$6
Median:	$800.00	Std. Dev:	±$383.10

Estimated Private Party Value $675 — $925


	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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