Thumbnail FS: Zenith DEFY 21 high-frequency El Primero (95.9000.9004 78.M9000) 1/100th chrono 1

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Thumbnail FS: Zenith DEFY 21 high-frequency El Primero (95.9000.9004 78.M9000) 1/100th chrono 4

Thumbnail FS: Zenith DEFY 21 high-frequency El Primero (95.9000.9004 78.M9000) 1/100th chrono 5

Thumbnail FS: Zenith DEFY 21 high-frequency El Primero (95.9000.9004 78.M9000) 1/100th chrono 6

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Thumbnail FS: Zenith DEFY 21 high-frequency El Primero (95.9000.9004 78.M9000) 1/100th chrono 8

Model:	Zenith El Primero	Last Scraped:	Aug. 20, 2023, 9:47 p.m.
Username:	gogator1	Location:	Nashville
Email:	Unknown	Feedback:	10 Reviews (100% )

FS: Zenith DEFY 21 high-frequency El Primero (95.9000.9004 78.M9000) 1/100th chrono

The high-frequency El Primero 21 1/100th chronograph in a 44mm titanium DEFY case with matching titanium bracelet. Its blue automatic movement features two independent high-frequency escapements beating at 50Hz for the chronograph function and 5Hz for timekeeping.

Mine is a complete set including a recent service (March 2023). The watch and package are all in excellent condition and will not disappoint. Extra links included.

If you need your mechanical watch to time events to 1/100 of a second…this is your timepiece.

Asking $7000

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Reputation and Feedback

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gogator1 is good

Had an excellent transaction with Len, gogator1. The watch was as he described and the communication before and after was excellent. Len has been around for a long time so he has a great track record one can see for themself.
By st8edge Aug. 30, 2023, 4:46 p.m. on Rolex Forums
Great deal with gogator1 (Len)

I met with gogator1 today for a face to face deal/trade. Everything went great: good communication, punctual, drove an hour or so to meet me making my drive a little better, and more than fair negotiation. Just an all around friendly guy; I'd deal with him again without hesitation.
By donas Nov. 12, 2022, 5:06 a.m. on Rolex Forums
gogator1 - Smooooth Dealings!

Traded my bronzo to gogator1 for his JC and the experience was top notch! The description was accurate, shipping was prompt, and he was an all-around great person to work with. Do not hesitate in working with him!
By mp_chronorides July 21, 2022, 2:09 p.m. on Rolex Forums
gogator1 A++++

Excellent member of the trf community!!!
By ponycar350 Jan. 21, 2022, 4:59 p.m. on Rolex Forums
gogator1 is a great seller!

I just had a very smooth transaction with Len! Highly recommended!
By YFang Dec. 2, 2020, 10:11 p.m. on Rolex Forums

Highest:	$12,680	Lowest:	$3
Median:	$5,700.00	Std. Dev:	±$2,486.44

Estimated Private Party Value $3,850 — $7,148


	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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