Thumbnail ROLEX Daytona Cosmograph 16528 Zenith Inverted 6 Yellow Gold 1

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Thumbnail ROLEX Daytona Cosmograph 16528 Zenith Inverted 6 Yellow Gold 5

Thumbnail ROLEX Daytona Cosmograph 16528 Zenith Inverted 6 Yellow Gold 6

Thumbnail ROLEX Daytona Cosmograph 16528 Zenith Inverted 6 Yellow Gold 7

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Model:	Zenith El Primero	Last Scraped:	April 11, 2025, 10:18 p.m.
Username:	Ugot	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

Rolex Daytona Cosmograph Zenith
Reference: 16528
Serial#: NXXXXXX
Movement: Automatic, self-winding.
Case: 40mm, 18Kt yellow gold, 18Kt yellow gold crown and chronograph pushers.
Bezel: Fixed, 18 Kt yellow gold, engraved tachymeter scale.
Dial: Champagne, baton hands, applied hour markers and 60 second, 30 minute and 12 hour sub-dials.
Crystal: Sapphire crystal.
Bracelet: Rolex Oyster 18Kt yellow gold, polished and brushed elements with security deployant clasp.
Functions: Chronograph and tachymeter.

Pre-owned Daytona in original and unpolished condition. This reference is sought out by Daytona aficionados because it features Zenith El Primero self-winding movement and the inverted "6" in the hour sub-dial. Hour markers still made with tritium filling, indicated by "T SWISS MADE T" at the bottom of the dial. Production year is 1991. Watch is in Very Good condition with minor signs of wear. Fits up to an 7.50 inch wrist. Original box included. Pictures are of the watch being offered in this post. Asking $33,500.

Longtime Timezone sponsor with many references.

Ugot
713.392.1100

First Posted:	2 months ago	# of Reposts:	6
Starting Price:	$33,500	Price Change:	same price

Hide Reposts (5)

First Posted	2 months ago	ROLEX Daytona Cosmograph Zenith "El Primero" Inverted 6 Yellow Gold	$33,500
Repost	2 months ago	ROLEX Daytona Cosmograph 16528 Zenith Yellow Gold	$33,500
Repost	1 month ago	ROLEX Daytona Cosmograph Zenith 16528 Inverted 6	$33,500
Repost	1 month ago	ROLEX Daytona Cosmograph Zenith 16528 Inverted 6 Yellow Gold	$33,500
Repost	1 week ago	ROLEX Daytona Cosmograph Zenith 16528 Inverted 6 Yellow Gold	$33,500
Repost	20 hours ago	ROLEX Daytona Cosmograph 16528 Zenith Inverted 6 Yellow Gold	$33,500

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The price of this watch is an outlier for this particular model and not included in the distribution. It may be miscategorized, incorrectly priced, or extremely unique.

Highest:	$11,950	Lowest:	$2
Median:	$5,500.00	Std. Dev:	±$2,684.07

Estimated Private Party Value $3,175 — $7,000


	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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