Automatic movement - Gold-plated - New watch strap
Universal Geneve Polerouter: The iconic watch, dated ca 1955. Movement is the legendary 138SS Bumper automatic caliber.
The case has some minor marks (see pictures). The dial is in good, vintage condition, some minor marks. The movement is in good condition, keeps time accurately. Recently serviced.
Non-original crown, no box & papers.
The movement used in the early Polerouter models was the caliber 138 SS. Its balance makes 18,000 vibrations per hour. As in all early self-winding wrist watches, the weight oscillates between two springs acting as shock absorbers, the so-called bumpers. This mechanism is only winding the mainspring during one motion. The cal. 138 SS has 17 jewels, a plain surface finish and is rhodium-plated. It is shock-proof and anti-magnetic. Despite the precision and reliability that was proven on duty for SAS, the movement was replaced by the famous "Microtor" movement after approximately one year of production.
|Puntuación de valoraciones:||100%|
|Miembro desde:||17 noviembre 2014|
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