Thumbnail Used Sinn 900 pilot's chronograph 1

Thumbnail Used Sinn 900 pilot's chronograph 2

Thumbnail Used Sinn 900 pilot's chronograph 3

Thumbnail Used Sinn 900 pilot's chronograph 4

Thumbnail Used Sinn 900 pilot's chronograph 5

Thumbnail Used Sinn 900 pilot's chronograph 6

Thumbnail Used Sinn 900 pilot's chronograph 7

Thumbnail Used Sinn 900 pilot's chronograph 8

Thumbnail Used Sinn 900 pilot's chronograph 9

Model:	Sinn 900	Last Scraped:	June 22, 2024, 6:48 p.m.
Username:	drmdwebb	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

Up for sale (no trade offers please) is this Sinn 900 pilots chronograph with GMT (callers) hand. The watch is in good condition, but has some scratches here and there and signs of wear. The moisture indicator is only slightly blue. It is 44mm, and is black PVD (case and bracelet). It is regulated to run at about 3 spd:

DU: 0.4
12U: 8.6
CU: 2.1
6U: -1.4
CD: 3.0
DD: 3.9

Avg: 2.8 +/- 3.3

It comes with the box, manual, the bracelet tools, and an extra link that should take to to ~7.25 inches or so. Please consider the photos for a full description of condition. Price reflects condition.

From the Sinn website:

Case made of stainless steel, satinized
Case made with TEGIMENT Technology and therefore especially scratch-resistant
Ar-Dehumidifying Technology enhances functional reliability and freedom from fogging
Magnetic Field Protection up to 100mT (=80,000 A/m)
Sapphire crystal glass
Nickel-free case back without TEGIMENT Technology
Interior pilot's bezel
Second time zone on a 24-hour basis
Appliqués meticulously attached by hand
Water-resistant and pressure-resistant to 20 bar
Low pressure resistant
SW 500 movement
Self-winding mechanism
25 bearing jewels
28,800 semi-oscillations per hour
Seconds stop function
Anti-magnetic as per DIN 8309

I will pay USPS Priority shipping. Paypal/Venmo accepted; other forms of payment just ask.

On my ~7-inch wrist (canvas strap NOT INCLUDED):

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	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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