Extra Power
Generally speaking a mainspring barrel will perform about 6 rotations during its autonomy (the time it takes to transition from a fully wound state to… Read More »Extra Power
watches
Digital And Jumping Displays
The phrase “digital watch” tends to bring to mind LCD-display quartz-regulated watches; watches that are widely available, cheap, but perhaps lack something of the “soul”… Read More »Digital And Jumping Displays
Complications For The Explorer
The major benefit of these complications is that they can be sensitive to hemisphere, but they have one fundamental inaccuracy: they do not account for… Read More »Complications For The Explorer
Servicing Hamilton Grade 694 Calendar
Disassembly of Calendar Mechanism Remove minute work cock by taking out the two small screws. (The large screw holds the setting cap spring in place).… Read More »Servicing Hamilton Grade 694 Calendar
Rolex Datejust
In 1945, to mark the 40th anniversary of the founding of Wilsdorf & Davis, the company from which Rolex sprung, the Datejust model was launched.… Read More »Rolex Datejust
How to Use The Helium Escape Valve on Omega Watches
In its normal position (fig. 2.1), the OMEGA helium escape valve is perfectly watertight thanks to the gaskets (B), but it is not functional, since… Read More »How to Use The Helium Escape Valve on Omega Watches
Longines short history
Founded in 1867, Longines became the world’s first watch trademark and the first Swiss company to assemble watches under one roof. In 1877, Longines won… Read More »Longines short history
Restoration on Vintage Watches
When you find a vintage watch worthy of restoration, you must consider all of what that entails. Let us say that you discover a wristwatch… Read More »Restoration on Vintage Watches
Hunting Longines Pocket Watches
Gold Hunter Cased Minute Repeating Watch, Longines, circa 1900, 18k, gilt lever movement, highly jewelled, slide repeat, gold cuvette, white enamel dial, arabic numerals, subsidiary… Read More »Hunting Longines Pocket Watches
Sports Watches
For most people, a sports watch is essentially a chronograph with a second hand, a stopwatch hand, and a minute-and- hour totalizer. However, there are… Read More »Sports Watches
Military wrist watches
Collecting military wrist watches has many devotees; it is a vast, fascinating subject which enthralls a large number of amateurs and a few connoisseurs. Experience… Read More »Military wrist watches
Art watches
The fine line between art and watch design was definetly crossed in the late 1940s by the American artist George Horowitz, a follower of the… Read More »Art watches