Maybe your watch needs service? feel free to contact me. I have a watchmaker's workshop, old watches are my daily work karolkozlowski1988@gmail.com
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Hello, in this material I will disassemble the Omega Seamaster men's watch with co-axial escapement. first from omega, cal. 2500. Unfortunately, I only have the first part of the material, I lost part of the reassembly. of course the watch came back to life. got a new main spring and works stably with good parameters amplitude 320-330 degrees. on the proper LA 38 degrees for that caliber
Regards
Karol
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The omega co-axial was developed from the eta 28.92-A caliber. this is the first co-axial produced by omega. the next development of this caliber resulted in the omega caliber 8500 inch. 8800. probably the most perfect mechanism from omega. the omega 8800 caliber is one of the best movements in the world today. Self-winding movement with Co-Axial escapement. Movement and watch tested according to Master Chronometer certification process approved by METAS. Resistant to magnetic fields reaching 15,000 gauss. Free sprung-balance with silicon balance spring, automatic winding in both directions. Rhodium plated finish with Geneva waves in arabesque.
Power reserve: 55 hours.nas the caliber omega 2500 is much simpler than the 8800 but still a great mechanism despite the passage of time. Omega Planet Ocean (PO) line was introduced in 2005. The watches come in both 45mm and 42mm size and are famous for being worn by Special Agent James Bond played by Daniel Craig. In Casino Royale, Daniel Craig wore the 45mm planet ocean on rubber strap and in Quantum of Solace the 42mm 2201.50 on steel bracelet.
The design of the PO draws from the history of the Omega Seamaster. The PO has a two part bezel found in pre-bond Seamasters and some of the earlier Omega references. The source of the bezel design is most likely Omega Seamaster 300 ref CK2913 produced in late 1950s. Another historic design choice is the curved lugs, which omega have been using since the appearance of first ST Speedmasters.
One thing worth mentioning is that the cal 2500 Planet Ocean has sharper case than the 2531.80 or 2254.50 Seamasters. While the lugs on the 2254.50 are similar, the form is considerably softer than on the Planet Ocean. This creates an impression of quality of the finish and a more modern look. I haven’t handled a modern unpolished Speedmaster myself, but it is said that modern Speedmasters have similar quality to the lugs.
The Omega Caliber 2500 was developed by Omega in the 1990s. In 1993, Omega purchased the patent for the Co-Axial escapement from English master watchmaker and inventor George Daniels. The Co-Axial Escapement was the first practical new mechanical watch escapement invented for mass market in 250 years. Omega began work to fit the Co-Axial Escapement to their Cal. 1120 movement. The 1120 was basically a decorated version of the reliable Eta 2892-A2 movement. Omega spent the next six years developing and improving the movement to fit and utilize the larger escapement. In 1999 Omega released their first watches to the public with the Omega Cal. 2500.
The Co-Axial escapement has two escape wheels mounted together to release the torque from the main spring. Because there are two wheels working in conjunction with added jewels, there is less friction. No longer are there two jewels sliding along the teeth of a single wheel, but now are three that just catch the edge of the teeth on two wheels. This means less friction in the escapement, thus, longer periods between services.
Omega 8500 Caliber
In 2007, Omega launched the De Ville Hour Vision Chronometer with the Cal. 8500. All 202 components were designed and produced by the company’s workshops.
Movement and case of Omega De Ville Hour Vision
The Omega 8500 Caliber family was developed in-house by Omega around a revised Co-Axial escapement to fully optimize its potential. The Co-Axial escapement organ is 13% larger and more efficient in the larger space availed to it.
Other improvements include: 14 leaf meshing pinion versus 8 leaf on the 2500, Nivarox Anachon balance Spring, Zircon Oxide rotor pivot jewels, improved Nivachoc shock absorber, and massive transverse balance bridge. Since 2011 the 85
Today, you can find a variety of Omega calibers based on the 8500:
Omega 8500 is a gents automatic with date
Omega 8501 is a 8500 with 18k rose winding rotor and balance bridge
Omega 8601 is an annual calendar with date and month at 3:00
Omega 8611 is a 8601 with 18k rose winding rotor and balance bridge
Omega 9300 is a chronograph
Omega 9301 is a 9300with 18k rose winding rotor and balance bridge
Omega 8520 is a ladies automatic with date
Omega 8521 is 8520 with 18k rose winding rotor and balance bridge
Omega 8421 is ladies automatic with No date
Негізгі бет Stripdown to service omega co-axial cal.2500 seamaster profesional Planet Ocean 600m chronometer
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