Tudor - Prince Oysterdate - Ref. 75203 - Men - 1970-1979
No. 43033371
Sorna - Mechanical Alarm Cal. Ronda 1223-21 - Ref. 2590 - Men - 1970-1979
No. 43033371
Sorna - Mechanical Alarm Cal. Ronda 1223-21 - Ref. 2590 - Men - 1970-1979
This is a truly rare find. This is an original vintage Sorna manufactured in Switzerland with one of the coolest and useful complication: a mechanical alarm. The movement is the Ronda 1223-21, 17 jewels adn 21600A/h is the high-end version of the Ronda 1223 caliber, The watch comes with a new steel mesh diver strap.
The watch is in excellent working conditions, including the alarm function.
The alarm mechanism mainly consists of a mainspring, whose one end is fixed on the dial plate. By turning the alarm crown clockwise, this spring is wound; by turning counter-clockwise, the alarm time is set counter-clockwise. On the selected time, the alarm disc falls down a little bit and releases the finger, which previously blocked the alarm hammer.
Brand: Sorna
Caliber: hand-winding FE 1223-21, 21600 A/h
Look: very good conditions
Working: Yes and keep very good timing
Size: 41x36.5 mm (not measuring the crown)
Armband: steel mesh, fit up to 7.5-inch wrists
I ship insured and I combine shipments.
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A little of history:
Sorna is one of the many brands swallowed by the Quartz crisis, despite not existing anymore, new vintage inspired Sorna watches are
produced in Hong-Kong with Japanese movements, but the original Sorna vintage is rare to find.
The collaboration between Sorna and Ronda is a Piece of Swiss Watchmaking History. The Ronda story begins in the Waldenburg Valley in Switzerland’s Canton Basel-Land over 70 years ago. What started off as a small and modest rural enterprise has developed over the decades into a family concern that now employs about 1500 personnel worldwide. They introduce and invented trailblazing in 1929 so that they could punch 32 holes cleanly, precisely, and simultaneously into a pillar-plate. Ronda was producing movements for many brands including Oris and Brac.
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