Thumbnail [WTS] Zenith El Primero Chronomaster Openheart 03.2080.4021/21.M2040 1

Thumbnail [WTS] Zenith El Primero Chronomaster Openheart 03.2080.4021/21.M2040 2

Thumbnail [WTS] Zenith El Primero Chronomaster Openheart 03.2080.4021/21.M2040 3

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Thumbnail [WTS] Zenith El Primero Chronomaster Openheart 03.2080.4021/21.M2040 5

Thumbnail [WTS] Zenith El Primero Chronomaster Openheart 03.2080.4021/21.M2040 6

Thumbnail [WTS] Zenith El Primero Chronomaster Openheart 03.2080.4021/21.M2040 7

Thumbnail [WTS] Zenith El Primero Chronomaster Openheart 03.2080.4021/21.M2040 8

Thumbnail [WTS] Zenith El Primero Chronomaster Openheart 03.2080.4021/21.M2040 9

Model:	Zenith Chronomaster	Last Scraped:	July 13, 2025, 4:46 a.m.
Username:	Timepieces_nyc	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

Price: $3,950 Shipped Watch: Zenith Reference Number: 03.2080.4021/21.M2040 Comes With: Complete Set (2015) Condition / Specifics: This Zenith Chronomaster Openheart is in preowned clean condition with minor scratches throughout the watch. The crystal may contain marks on it as well but appears to be clean. It fits up to between a 7.5-8 inch wrist. As always please reach out with any questions prior to purchasing! Additional Notes: • ⁠Pictures Accurately Display Condition, So Please View All Photos • ⁠Watch Currently Runs (Service History Unknown) • ⁠FREE 2 Day Insured FedEx Shipping • ⁠NO RETURNS, All Sales Are Final! We Accept: Bank Wire Transfer, Zelle, Crypto Additional ways to contact us: Corresponding on Reddit can be a pain sometimes. If you have further questions and need another way to connect, you can visit our website tpnyc2.com or Instagram @tpnyc2! Reddit Followers Get Free Overnight Shipping and $50 Off This Purchase! (Only Applies If You Don’t Negotiate And Buy For Full Price)

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Highest:	$10,870	Lowest:	$2,800
Median:	$6,100.00	Std. Dev:	±$1,724.61

Estimated Private Party Value $5,399 — $7,300


	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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