分享呢樣產品俾朋友

Beautiful untouched watch case 10k gold plate. 推出的是保露華音叉振頻表。這是世界上最有價值的電子錶之一。第一款用音义振動原理而非石英推動、亦是首隻上過太空的電子錶款,叫做Accurtron. This is one of the first battery operated watches made it has a tuning fork design that sends vibrations through the movement to move the hands at just the right speed it is running well and keeping good time. This one has been serviced and it running strong and keeping good time. See through dial which makes the movement visible from the front has luminous markers on the crystal and white hands with luminous centers. 10 kt. yellow gold filled case with stainless steel screw on back. New brown leather band. It measures 34 mm across and 40 mm lug end to lug end. Made in 1969. 以下是這表的歷史,知道了才懂得怎去衡量這表的價值😊 ::::SUMMARY:::: During the 1960s, people were used to something different. A well-adjusted tuning fork sounds like a mosquito. This precursor of Quartz was used in several watch models, led by the Bulova Accutron, the first wristwatch sold with a functional tuning fork. With the slogan “The Watch that hums,” Bulova brought its watches to men’s wrists – and even into space. 😱 This historic Tuning Fork movement was the ☝🏼1st Electronic Watch Mass Produced in the 🌎 world! More details, read on :::: Developed before the Quartz this movement sends the second hand sweeping smoothly over the dial rather than ticking, the signature “hum” of the vibrating tuning forks can be heard powering the movement. This watch is 100% accurate thanks to the tuning fork technology after 60 years of production. 😳 ~~~~ 😊 OWN A PIECE OF HISTORY~~~~ These watches are becoming more and more scarce. This was the first electronic timepiece produced and the first commercial use of the transistor, a technological wonder of the 60s. With only 12 moving parts in the watch a tuning fork oscillates 31,104,000 times per 24 hour period to produce the distinctive sweeping second hand movement. Mass production of the Accutron 214 began in November of 1960 and they were introduced to the public in 1960 (M0). During the 17 years that tuning fork watches were made they were the most accurate production timepieces on the Earth, and in space. In 1960 🚀 NASA asks Bulova to incorporate Accutron technology into its equipment for the space program. . During those early years Accutron timing mechanisms were used in 46 US space program missions. During the Apollo 11 mission an Accutron was left on the Sea of Tranquility by Neil Armstrong and Buzz Aldrin in 1969. An Accutron from Apollo 12 was left in the central data station on the moon on the Ocean of Storms by Pete Conrad and Alan Bean also in 1969. In 1962 the Accutron 214 becomes the first wristwatch certified for use by railroad personnel. Previously, engineers used pocket watches which had to be frequently calibrated in order to "run the railroads on time". Accutron wristwatches were given to world leaders as a presidential gift and in 1964 President Lynden Johnson declares Accutron to be the official "Gift of State". By 1967 Accutron clocks were the only clocks aboard Air Force One and many instrument panel Accutrons were used in military ships and aircraft. Demand has also increased because of the release of the 50th Anniversary model listed at $4000.00. Sadly the new model has different parts than the original, so it is not an exact replica, making the original watches even more desirable. ——- If you like what are listing please make sure to follow us. We have other Rolex , Omega , Seiko vintage watches in other listing and will post various watches every week. :) ~sometime.sometimes


其他用戶仲睇咗

迷你鉈錶 (已無電, 要自己配)

迷你鉈錶 (已無電, 要自己配)

HK$215.246

🈹️GIA證書 18k金鑽石戒指 主石60份伴石13份原價$37000蝕讓價$19800超值

🈹️GIA證書 18k金鑽石戒指 主石60份伴石13份原價$37000蝕讓價$19800超值

HK$19,8000

缅甸天然翡翠A货 水润 满色 色辣竹節

缅甸天然翡翠A货 水润 满色 色辣竹節

HK$4,5800

缅甸玉,翡翠

缅甸玉,翡翠

HK$05