Thumbnail [WTS] Vintage Omega Constellation Quartz Chronometer Ref. 398.0856 – Rare COSC Model $475 1

Thumbnail [WTS] Vintage Omega Constellation Quartz Chronometer Ref. 398.0856 – Rare COSC Model $475 2

Thumbnail [WTS] Vintage Omega Constellation Quartz Chronometer Ref. 398.0856 – Rare COSC Model $475 3

Thumbnail [WTS] Vintage Omega Constellation Quartz Chronometer Ref. 398.0856 – Rare COSC Model $475 4

Thumbnail [WTS] Vintage Omega Constellation Quartz Chronometer Ref. 398.0856 – Rare COSC Model $475 5

Thumbnail [WTS] Vintage Omega Constellation Quartz Chronometer Ref. 398.0856 – Rare COSC Model $475 6

Thumbnail [WTS] Vintage Omega Constellation Quartz Chronometer Ref. 398.0856 – Rare COSC Model $475 7

Model:	Omega Constellation	Last Scraped:	June 23, 2025, 2:46 a.m.
Username:	Greedy-Ad5598	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

Selling this beautiful and rare Omega Constellation Ref. 398.0856, a COSC-certified quartz chronometer from the 1980s. A true collector’s piece with classic styling and high-precision movement. Details: Reference: 398.0856 Movement: Omega Caliber 1343 – COSC-certified quartz Case Size: 35mm Material: Stainless steel Dial: Silver with applied indices and date window Bracelet: Integrated steel bracelet Crystal: Sapphire Caseback: Observatory medallion with 8 stars Condition: Excellent vintage condition. Clean dial, crystal is clear, bracelet is in great shape. Fully functional and keeps accurate time. The dial had been touch up at the "Quartz" letter area, everything else is authentic. Price: $475 Shipped Payment: +4.5% PayPal fee (F&F or G&S accepted) Contact: DM for more information

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Highest:	$2,999	Lowest:	$4
Median:	$1,150.00	Std. Dev:	±$533.40

Estimated Private Party Value $800 — $1,500


	Established:	1848
	Website:	https://www.omegawatches.com/
	Country of Origin:	Switzerland

Founded at La Chaux-de-Fonds, Switzerland in 1848 by 23-year-old Louis Brandt who assembled key-wound precision pocket watches from parts supplied by local craftsmen. He travelled throughout Europe selling his watches from Italy to Scandinavia by way of England, his chief market. After Louis Brandt's death in 1879, his two sons Louis-Paul and Cesar, troubled by irregular deliveries of questionable quality, abandoned the unsatisfactory assembly workshop system in favour of in-house manufacturing and total production control. Due to the greater supply of manpower, communications and energy in Bienne, the enterprise moved into a small factory in January 1880, then bought the entire building in December. Two years later the company moved into a converted spinning-factory in the Gurzelen district of Bienne, where headquarters are still situated today. Their first series-produced calibres, Labrador and Gurzelen, as well as, the famous Omega calibre of 1894, would ensure the brand's marketing success.

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