Thumbnail [WTS] Zenith Defy 21 El Primero 1

Model:	Zenith El Primero	Last Scraped:	Oct. 12, 2025, 9:46 p.m.
Username:	mhstmarie	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

Here we have my Zenith Defy El Primero 21. I purchased this in 2022 from Goveburg watches, and they had it serviced right before I purchased it. The chrono resets to zero crisply, and the timing is excellent although I haven’t timed it. The crystal is perfect, and the case and strap have only the normal superficial desk marks. Worn as part of a large collection, and never abused. I currently have it mounted on a Zenith blue rubber strap with deployant. I also have the full ti integrated bracelet with all extra links and end links. I have a total of 7 out of 8 screws to mount the bracelet/strap, but since they’re interchangeable and you only need 4 to mount either, they’re essentially extras. Asking $6800 TS: [https://imgur.com/m4XF3pz](https://imgur.com/m4XF3pz) Gallery: [https://imgur.com/a/iAl1jxp](https://imgur.com/a/iAl1jxp) If you’re interested in the bracelet I’ll sell it with the watch or separately. Zelle, PayPal, Venmo, or wire. Free shipping to US, you take care of any payment fees. Very few deals done here on Reddit, but have an extensive history on WatchUSeek. Search for Matt St. Marie

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Highest:	$14,000	Lowest:	$2
Median:	$5,525.00	Std. Dev:	±$2,864.10

Estimated Private Party Value $3,363 — $7,397


	Established:	1865
	Website:	http://www.zenith-watches.com/
	Country of Origin:	Switzerland

Zenith SA is a Swiss luxury watchmaker. The company was started in 1865 by Georges Favre-Jacot at the age of 22, in Le Locle in the canton of Neuchâtel. Zenith was purchased by LVMH in November 1999, becoming one of several brands in their watch and jewellery division. Jean-Claude Biver became Interim CEO in 2017, replaced CEO Aldo Magada, who replaced Jean-Frédéric Dufour in 2014.

Zenith has a long reputation for the quality and precision of their watches. It is one of the Swiss watch manufacturers that still produce their own movements in-house.

The El Primero calibre, which was first released in 1969, and still produced today, was one of the first automatic chronograph movements and has a frequency of 36,000 alternations per hour (5 Hz). This high rate allows a resolution of 1⁄10 of a second and a potential for greater positional accuracy over the more common standard frequency of 28,800 alternations per hour (4 Hz). The El Primero was honoured with a 2012 release of the El Primero Stratos Flyback Striking 10th, limited to 1,969 pieces (in honour of the original 1969 release date), that housed the same 36,000 vph movement and a sub-dial measuring in tenths of a second to make a complete rotation every ten seconds.

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