MARKED IN BACK- DIVING HELMET SYMBOL, SWISS MADE SUPER-COMPRESSOR BREVET # 317557 BREVET # 337462 , 0724/3 766. THE MOVEMENT IS AN AUTOMATIC A. What is a Super-Compressor dive watch? Super-Compressor refers to a patented case sealing method developed by.
The design takes advantage of the water pressure the case is exposed to. At depth to press the case back against the o-ring seal. More depth equals more water pressure equals greater seal.
This same concept was employed by Omega in the Naiad. Crowns used on Seamaster 300 watches in the 60s. Well regarded as being very high quality and watertight, EPSA manufactured the S-C cases in a variety of styles from the late'50s.
Until bankruptcy closed the business in the mid-'70s. The fact that so many survive today is a testament to their quality.Be sure to add me to your favorites list. Parts Timepieces Craft Art watch. House findings from 40 years travels.
Israel or India must have USA. Acceptance of the Sale, to many. Items lost not delivered and charged. Check out my other items! The item "Rare 34MM Vintage OLMA Super-Compressor Automatic Date Swiss Man's Watch RUNS" is in sale since Thursday, November 26, 2020.This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Watches\Wristwatches". The seller is "partimeart" and is located in Tampa, Florida.
This item can be shipped worldwide.