A Rolex State of Mind
Cutting edge doesn’t even begin to describe Rolex, and yet traditional is only the tip of the iceberg. To fully understand the world’s best loved… Read More »A Rolex State of Mind
Cutting edge doesn’t even begin to describe Rolex, and yet traditional is only the tip of the iceberg. To fully understand the world’s best loved… Read More »A Rolex State of Mind
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
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 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
Hamilton caliber 750 is U.S.A movement from 1950s. Functions: N/A Manual-winding movement with 17 jewels. F = 18000 A/h Power reserve: 39 hours Dimensions: 13.05 x 16.2 mm… Read More »Hamilton caliber 750 movement – specifications and photo
There is a characteristic present in a flat hairspring as it vibrates, i.e., winds and unwinds, that causes the coils to bunch together first on… Read More »The Flat Hairspring
Seiko caliber 2706A is Japanese movement from 1960s. Functions: sweep second, calendar (day and date; bilingual changeover mechanism for day indication, instant day and date setting device)… Read More »Seiko caliber 2706A movement – specifications and photo
The idea for the overcoil came from the horologist Breguet who reasoned that if the outer coil of a flat hairspring was bent uo and… Read More »The Breguet or Overcoil Hairspring
Hamilton caliber 661 (Certina 25-45) is Swiss movement from 1950s. Functions: sweep second Automatic movement with 17 jewels. F = 18000 A/h Power reserve: 42 hours Diameter:… Read More »Hamilton caliber 661 (Certina 25-45) movement – specifications and photo
The Hamilton floating stud principle for adjusted watches, adopted many years ago makes possible hairsping replacing without recentering and relevling. To remove the balance and… Read More »Removing and Replacing the Hamilton Floating Stud
Hamilton caliber 748 is U.S.A movement from 1940s. Functions: sub second Manual-winding movement with 18 jewels. F = 18000 A/h Power reserve: N/A Diameter: 23.2 mm More… Read More »Hamilton caliber 748 movement – specifications and photo
Hamilton caliber 730 is U.S.A movement from 1940s. Functions: sub second Manual-winding movement with 17 jewels. F = 18000 A/h Power reserve: N/A Diameter: 23.2 mm… Read More »Hamilton caliber 730 movement – specifications and photo