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Aquastar built the predecessor of today’s digital dive computer, made of a panel to be strapped in the wrist holding a waterproof dive watch with a rotating bezel to measure the dive time, a compass, a thermometer and a depth gauge. [14] [15] The panel also included the marine nationale non-decompression dive tables.
Glycine was the first to feature a 24-hour rotating bezel in 1953 with the Airman No.1 pilot watch. The design became widely known when Rolex designed the Rolex GMT Master for Pan-Am pilots in 1954. A 24-hour watch with a compass card dial can be used to determine direction when set to local noon and used in conjunction with the Sun.
This type of compass uses a separate magnetized needle inside a rotating capsule, an orienting "box" or gate for aligning the needle with magnetic north, a transparent base containing map orienting lines, and a bezel (outer dial) marked in degrees or other units of angular measurement. [29]
These watches have an additional GMT watch hand and in the case of diving watches can have a rotating bezel with 24-hours markings instead of minute markings used for reading of elapsed time. With the help of the GMT hand and a correctly adjusted 24-hours bezel the time in two different time zones can be easily read without having to perform ...
The patented groove on the bezel of Suunto M-311. Tuomas Vohlonen was granted a patent number 16121 on 12 October 1934. It was for a device in a compass to measure the angle. It was described as being in a bezel, in which there were diagonal grooves, screws or other alike to place a ruler, pen or alike, to rotate a bezel to align with the north ...
Compasses of the style commonly used for hiking (i.e., baseplate or protractor compass) utilize a dial or bezel which rotates 360 degrees and is independent of the magnetic needle. To manually establish a declination for true north, the bezel is rotated until the desired number of degrees lie between the bezel's designation N (for North) and ...
It featured a rotating bezel marked to 60 minutes, which can be used to measure time intervals. Datejust watches of this type have been nicknamed "Thunderbirds". This watch would form the basis for the Rolex Explorer (designed for Sir Edmund Hillary's Mount Everest expedition), the Rolex Submariner, and the Rolex Sea-Dweller. [2]
Epson Seiko introduced their Chrono-bit wristwatch in September 2000. The Chrono-bit watches have a rotating bezel for data input, synchronize PIM data via a serial cable, and can load custom watch faces. [29] In 2003, Fossil released the Wrist PDA, a watch that ran the Palm OS and contained 8 MB of RAM and 4 MB of flash memory.