The primary reason behind the evolution from SW200 to SW200-1 was to fix an issue with the teeth of the ratchet wheel breaking off, perhaps while hand-winding the movement. Use a 1mm screw-driver, avoid using tweezers or any other tool with a point because this could jam the setting lever and damage the setting lever spring. Official Sellita documentation states that the crown should be in the time setting position before being extracted.
220 calibre springs way code#
For reference:Ī 2-digit customer service code is engraved to show that the movement has been renewed.Ĭase study pics coming soon. We still don’t know, but please check your movement for a two digit number starting with 2X. Perhaps brands are able to buy them at a discount. The meaning of this still needs to be confirmed, but it appears that this is for movements that were sent back to Sellita for renewal. There is also a code for what Sellita refers to as “Renewed Movements”.
220 calibre springs way how to#
How to diagnose a broken ratchet wheel?.Some of the topics covered in the caliber listing:
You may have seen this movement written as the SW 200-1 but according to Sellita, the correct way to spell this caliber number is SW200-1 without a space or hyphen. Many reputable watch companies are using this movement as an alternative to the ETA mechanism due to it being more economical and readily available.
220 calibre springs way update#
The SW200-1 is an update to the original caliber SW200. The Sellita SW200-1 is the main competitor to ETA’s 2824-2 workhorse. Rebel Aquafin Diver, Nite Icon (Too many to list, add yours to the comments below…) Hours, minutes, central sweeping seconds, date (could be at 3, 6, 9, or 12)
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