Thumbnail [WTS] Sinn 144 St Sa PRICE DROP $1675 1

Thumbnail [WTS] Sinn 144 St Sa PRICE DROP $1675 2

Thumbnail [WTS] Sinn 144 St Sa PRICE DROP $1675 3

Thumbnail [WTS] Sinn 144 St Sa PRICE DROP $1675 4

Thumbnail [WTS] Sinn 144 St Sa PRICE DROP $1675 5

Model:	Sinn 144	Last Scraped:	Dec. 15, 2025, 8:46 p.m.
Username:	ImaginaryDinner8034	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

Here’s a great chance to own a nearly new classic Sinn 144 St Sa for less. Bought in April 2019 and worn a couple times. Comes with box and papers. Condition: The watch is in excellent condition and basically unused. There is one small polish mark on the clasp that is shown in the photos. The watch is due for service but running fine with no issues. Timestamp included in photos. Pricing, Payment, and Shipping 💵 1675 + shipping 📦 $50, US and Canada only 💰 Paypal F&F or G&S (buyer pays 4.6%) No trades please. Thanks for looking!

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Highest:	$3,750	Lowest:	$1,450
Median:	$2,500.00	Std. Dev:	±$620.64

Estimated Private Party Value $2,200 — $2,999


	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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