Thumbnail [WTS] Sinn 556 I on Leather Strap, ETA Movement $899 1

Model:	Sinn 556	Last Scraped:	March 5, 2024, 11:47 p.m.
Username:	velotouriste	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

I'm selling my Sinn 556 I on a black leather Sinn strap. It features an ETA 2824 movement. It has the normal wear marks you'd expect from a GADA watch worn daily. There are various shallow nicks and scuffs around the case, which I tried to accentuate as much as possible. The glass is in great shape. The strap is like new, though I did add one small hole between two existing holes for a better fit. It was manufactured in 2008, and I'm unsure of its service history, but it keeps excellent time. Photos are [here](https://imgur.com/a/xMa4drp). Timestamp is [here](https://imgur.com/a/e0muV9d). Sale includes the watch, strap, and original Sinn inner/outer boxes and manual. I'm asking $899 firm shipped in the USA. Not interested in trades.

First Posted:	9 months ago	# of Reposts:	2
Starting Price:	$925	Price Change:	3% lower

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First Posted	9 months ago	[WTS] Sinn 556 I on Leather Strap, ETA Movement		$925
Price Change	8 months ago	[WTS] Sinn 556 I on Leather Strap, ETA Movement $899		$899

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Highest:	$1,800	Lowest:	$800
Median:	$1,200.00	Std. Dev:	±$225.86

Estimated Private Party Value $1,100 — $1,400


	Established:	1961
	Website:	http://www.sinn.de/de/
	Country of Origin:	Germany

Sinn Spezialuhren GmbH is a manufacturer of mechanical wristwatches based in Frankfurt am Main. The company was founded in 1961 by flight instructor and pilot Helmut Sinn under the name ‘Helmut Sinn Spezialuhren’.

Following its foundation in 1961, the company focused on the manufacture of navigation cockpit clocks and pilot chronographs and sold these through direct selling, bypassing retailers. The clocks and watches were produced according to pilot Helmut Sinn’s specifications in the private label sector in Switzerland. By eliminating the trade margin of the retailers, the company was able to offer its clocks and watches at a lower price than through traditional sales channels.

In 1994, Helmut Sinn sold the company to Lothar Schmidt. Following the sale, he acquired Swiss watchmaker Guinand in 1996. In 1998, he set up a new company in Frankfurt am Main. With this company, he offered brand watches from Jubilar, Chronosport and the newly acquired Guinand. In 2006, he retired from business activity. Since handing over the management of the business to his long-standing employee Horst Hassler, he now acts as an advisor to the company. On September 3rd 2016 Helmut Sinn celebrated his 100th birthday.

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