Thumbnail [WTS] For Sale – Longines HydroConquest Automatic (Ref. L3.649.4, Navy Dial) – €600 ONO Automatic 41mm with the navy blue dial. 1

Thumbnail [WTS] For Sale – Longines HydroConquest Automatic (Ref. L3.649.4, Navy Dial) – €600 ONO Automatic 41mm with the navy blue dial. 2

Thumbnail [WTS] For Sale – Longines HydroConquest Automatic (Ref. L3.649.4, Navy Dial) – €600 ONO Automatic 41mm with the navy blue dial. 3

Model:	Longines Hydroconquest	Last Scraped:	Aug. 16, 2025, 11:46 a.m.
Username:	No_Requirement1452	Location:	Unknown
Email:	Unknown	Feedback:	No Reviews Found

Based in Berlin! Also

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Highest:	$2,500	Lowest:	$400
Median:	$995.00	Std. Dev:	±$459.12

Estimated Private Party Value $800 — $1,556


	Established:	1832
	Website:	https://www.longines.com/
	Country of Origin:	Switzerland

Longines (French pronunciation: [lɔ̃ʒin], lawn-zheen) is a watch company based in Saint-Imier, Switzerland. Founded by Auguste Agassiz in 1832, it is currently owned by the Swatch Group. Its winged hourglass logo is the oldest registered trademark for a watchmaker.

Based in Saint-Imier since 1832, the Compagnie des Montres Longines Francillon S.A. was among the world’s leading watch companies. In 2007, Longines had its 175th anniversary. The brand evolved from a comptoir to a full-fledged manufacturing operation and then back down to an établisseur today, since the early 1980s, as a Swatch Group company.

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