Watchmaking – Poising Balance Wheels
Because the balance wheel and hairspring assembly is the time keeping element of a watch, the balance wheel must be properly poised. In the poising… Read More »Watchmaking – Poising Balance Wheels
John
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Movado caliber 531 movement – specifications and photo
Movado caliber 531 is Swiss movement from 1960’s. Functions: sweep second Automatic movement with 17 or 28 jewels f = 21600 A/h Power reserve: 50 hours Diameter:… Read More »Movado caliber 531 movement – specifications and photo
A Chrono Without a Chrono
The latest version of Oris’s racing watch, the Chronoris Date, has no timing function. Is this good or bad? Oris’s racing chronograph – the Chronoris… Read More »A Chrono Without a Chrono
Heuer Monaco ‘Dark Lord’ Chronograph Watch ref. 74033N
Manufacturer: Heuer Year: Circa 1975 Reference: 74033N Model Name: Monaco “Dark Lord” Material: PVD coated stainless steel Calibre: Manual-winding cal. 7740 with 17 jewels Dimensions:… Read More »Heuer Monaco ‘Dark Lord’ Chronograph Watch ref. 74033N
Landeron caliber 148 movement – specifications and photo
Landeron caliber 148 is Swiss movement from 1950’s. Functions: 2 registers on the dial – 60 seconds, 30 or 45 minutes, sub second, cam switched. Manual-winding movement with 17 jewels f =… Read More »Landeron caliber 148 movement – specifications and photo
Landeron caliber 186 movement – specifications and photo
Landeron caliber 186 is Swiss movement from 1950’s. Functions: 2 registers on the dial – 60 seconds, 30 or 45 minutes, sub second, cam switched, day, date, month and moon phase indication.… Read More »Landeron caliber 186 movement – specifications and photo
Vintage Heuer Triple Chronograph Watch ref. 2446 2nd Execution 1964
Approx serial range: 532XX – 599XX Movement: Valjoux 72 Details: The sub registers and markers are different from the 1st execution and lume plots are… Read More »Vintage Heuer Triple Chronograph Watch ref. 2446 2nd Execution 1964
Elgin Watchmakers College
Established in 1920 by the Elgin National Watch Company, the Elgin National Watch Company, the Elgin Watchmaker’s College was created in response to a demand… Read More »Elgin Watchmakers College
Micro Watch Brands in America
Thanks to the exponentially large digital marketplace, a new breed of watch companies has developed in the United States and abroad over the past decade.… Read More »Micro Watch Brands in America
Oris Big Crown ProPilot Calibre 114 latest update to the ProPilot collection
The Oris Big Cron ProPilot Caliber 114 is the latest update to the ProPilot collection. It also serves as the introduction for the brand’s latest… Read More »Oris Big Crown ProPilot Calibre 114 latest update to the ProPilot collection
Elgin Elginite Hairspring
The Elginite hairspring is made from tested hairspring alloy developed by the Elgin Industrial Fellowship at Battelle Memorial Institute in cooperation with the Research Department… Read More »Elgin Elginite Hairspring
Fitting crystals in Elgin watch cases
In order to replace a glass crystal in an Elgin watch with a genuine Elgin crystal, the jeweler and watchmaker should know the correct procedure… Read More »Fitting crystals in Elgin watch cases