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拍品专文
The present lot is an example of collectible merchandise, supplied directly from the Rolex manufacture to Rolex sales representatives, to be used as a prop when discussing the new calibers.
Rolex Caliber 5055
In the early 1970's, Rolex ceased using the Beta 21 quartz movement, and began developing their own quartz movement, finally producing the 5035/5055 movements in 1977, which would power the Oysterquartz model. The goal of these movements was to have superior accuracy in timekeeping and to negate the effects of temperature changes. The movement is very similar, aside from the electronics and motor, to the caliber 3035, introduced the same year, and used in Submariner and Datejust models. The calibers 5035 and 5055 were essentially the same, the difference being in the height of the caliber, and are recognized by collectors as being one of the finest quartz movements ever made.
Rolex Caliber 3035
The caliber 3035 automatic movement was also introduced in 1977, with 27 jewels and a power reserve of 42 hours. It replaced the Rolex 1500 series of calibers, which did not feature a "quick-set" for the date. The caliber 3035 was in production for approximately 10 years before Rolex introduced the caliber 3135. The biggest difference between the 3035 and 3135 was that a caliber 3035 set the time forward by turning the crown counter clockwise and a caliber 3135 set the time forward by turning the crown clockwise. The caliber 3035 was first used in Datejust and Day-Date models, and later appeared in the Explorer II and GMT-II models.
Tudor Caliber 940 111
In 1936, Hans Wildorf took over the trade mark of Tudor watchmaking company, and founded the company Montres Tudor SA in 1946. His goal was to create watches with Rolex quality at a more accessible price. The Tudor quartz watches were similar in design (especially dial, bezel and case) to Rolex quartz watches, however they used an ETA movement. While the Rolex calibers 5035/5055 were known as more "high-end" quartz movements with a high degree of accuracy, the standard ETA quartz movements did not have such a high degree of accuracy - but still remained fairly accurate with a rate of approximately plus or minus 10 seconds per year. In the late 1970's, the ETA quartz movement that was being used for Tudor models was the caliber 940 111, and remained in use through the early part of the 1980's. This particular ETA caliber could also be found on quartz watches by other fine Swiss manufacturers.
Rolex Caliber 5055
In the early 1970's, Rolex ceased using the Beta 21 quartz movement, and began developing their own quartz movement, finally producing the 5035/5055 movements in 1977, which would power the Oysterquartz model. The goal of these movements was to have superior accuracy in timekeeping and to negate the effects of temperature changes. The movement is very similar, aside from the electronics and motor, to the caliber 3035, introduced the same year, and used in Submariner and Datejust models. The calibers 5035 and 5055 were essentially the same, the difference being in the height of the caliber, and are recognized by collectors as being one of the finest quartz movements ever made.
Rolex Caliber 3035
The caliber 3035 automatic movement was also introduced in 1977, with 27 jewels and a power reserve of 42 hours. It replaced the Rolex 1500 series of calibers, which did not feature a "quick-set" for the date. The caliber 3035 was in production for approximately 10 years before Rolex introduced the caliber 3135. The biggest difference between the 3035 and 3135 was that a caliber 3035 set the time forward by turning the crown counter clockwise and a caliber 3135 set the time forward by turning the crown clockwise. The caliber 3035 was first used in Datejust and Day-Date models, and later appeared in the Explorer II and GMT-II models.
Tudor Caliber 940 111
In 1936, Hans Wildorf took over the trade mark of Tudor watchmaking company, and founded the company Montres Tudor SA in 1946. His goal was to create watches with Rolex quality at a more accessible price. The Tudor quartz watches were similar in design (especially dial, bezel and case) to Rolex quartz watches, however they used an ETA movement. While the Rolex calibers 5035/5055 were known as more "high-end" quartz movements with a high degree of accuracy, the standard ETA quartz movements did not have such a high degree of accuracy - but still remained fairly accurate with a rate of approximately plus or minus 10 seconds per year. In the late 1970's, the ETA quartz movement that was being used for Tudor models was the caliber 940 111, and remained in use through the early part of the 1980's. This particular ETA caliber could also be found on quartz watches by other fine Swiss manufacturers.