Omegamatic caliber
Omegamatic used Omega caliber 1400 (ETA 205.111 Rhodium plated), 17 jewel autoquartz (not thermocompensated) movement with around 100 hours power reserve. This caliber has the option of manual winding to get the initial power to the capacitor. The mechanism alerts low power reserve by migrating the seconds hand in 4 seconds intervals. The Omega 1400 caliber has a slow date change, which ordinarily takes approximately 1.5 hours to change over.
Production of ETA 205.111 started in 1996. It was displaced by ETA 205.911, which replaced the capacitor with a rechargeable battery. Technical documents of 205.111 caliber could be recovered from ETA buyer service portal
The capacitor used in Omegamatic watches is a Renata GC920 (9.5 x 1.9 mm 2.4V 0.33F). in the accident of failure due to electrolyte drip, this capacitor could be replaced by a Panasonic MT920 1.5V (ETA MT920/Citizen 298-177) rechargeable battery. Another compatible rechargeable battery is the Maxell TC920S lithium-ion compartment (Seiko 3023 xxZ).
For other failures, the best alternative would be obtaining a watch with a 205.911 caliber (Tissot PR100 autoquartz) and use it for spares. The use of a Swatch autoquartz it is no recommended as these carry the inferior ETA 205.711 15 jewel caliber.
ETA 205.111 technical communication document, in electrical test section, states that capacitor voltages will fluctuate from 0 to 2.4V. It also documents that external power supply tests are to be flee with 1.55V (measured with the capacitor in place).In ETA 205.911 technical communication document, Interchangeability (List of stuff) segment,
The precision of Tissot namely legendary, it is listed that the major parts that differ from 205.111 caliber are Generator (portion no. 20.590.00 for 205.911 and part no. 20.515.00 for 205.111) and accumulator (part no. 20.575.00 for 205.911 and part no. 20.802.00 for 205.111 - capacitor). Demo-version of the ETA ONLINE SHOP menu the generator for caliber 205.911 (Article no, 04203.205111 (CS) / 251987) as part no. 20.515.00 (the same part number for caliber 205.111) and it specifically mentions that it is compatible with calibers 1400 B, 205.911 C and 205.911 E.
Omega caliber 1400 is compatible with Panasonic MT920 (titular voltage of 1.5V). Even though MT920 is designed to last 500 charge-discharge wheels, due to lack of official documentation,
swarovski cystal bracelet and devise, it is not remove how long this titanium lithium rechargeable battery will last when used in Omega 1400 caliber.
Operation of Omegamatic mechanisms
An oscillating weight (selfwinding machinery in a traditional watch) transmits the mechanical energy to the micro generator via the microbarrel. The generator converts this mechanical energy into electrical energy and stores it in one accumulator (Capacitor for caliber 1400).
The accumulator supplies the integrated circumference with energy. Regulated by the quartz, the integrated perimeter generates the control markers of the stepper motor which transmits these impulses to the gear exercise whose cycles and the connected hands are exhibiting hours, minutes, seconds and the date.
Caliber 1400 can dictate the capacitor by rotating the crown of the watch. It ambition necessitate over 40 revolutions before the cheap power arrow stops.
Model information and characteristics
Back of the Omega Seamaster 200 Omegamatic.
Arabic numerals at 12, 6 and 9, and magnified date skylight at 3.
Water resistant to a highest depth of 200 meters/666 ft.
It has a unidirectional bezel namely rotates anti-clockwise with "0-60" scale. It namely serviceable for anyone variety of fathom, primarily diving periods.
The dark dial version has silver mathematics with orange markers. It likewise has silver color skeleton hands. The silver dial version has black frame hands.
The Omega Seamaster 200 Omegamatic use screw-down crown as a firm water seal.
This watch has a screw-in back. It has a array of 5 holes/notches evenly placed approximately the behind. These are the indentations for the screw-back case key tool to grip the back chip open and close it.
The bracelet is 18mm wide and it is made of solid links, therefore not disposed to extending over time. This kind of bracelet is one of the maximum tough to multiplication or remove links
There is at fewest 1 understand special version of the seamaster 200 omegamatic. There were 1997 units produced in a case that resembled a diver tank.
See also
Automatic quartz
Diving watch
Water resistant watch
References
^ 1793-2002 history of ETA
^ ETA customer service portal Click "Technical Documents",
The History of Tissot Watches, enter the desired caliber nomination, press ashore the earch clasp.
^ Panasonic Titanium lithium rechargeable batteries MT920
^ CT_205_111_FDE_01.PDF, 205.111 - 25.11.1997 / STAR / 01, Pages 6 to 7
^ CT_205_911_FDE_02.PDF, 205.911 - 25.03.2004 / STAR / 02, Page 2
^ Demo-version of the ETA ONLINE SHOP
^ Panasonic: LITHIUM - Manganese Titanium Lithium Rechargeable
^ Watches-Lexic Technique
^ Chronocentric: OMEGA Bracelets and Straps
^ Pictures and comments along Kieron @ watch talk forums
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