The Oris TT1 is the predecessor to the Aquis. These TT1’s are great tool watches first produced around 2008 in a titanium case sporting a 4 o’clock crown and chunky titanium bracelet. This Oris TT1 Service is for a later model with the Steel Case. Oris produced these for a number of years with different colour bezel inserts and dials. The crown position also moved to three o’clock as can be seen from this watch.
The owner required a service as is was loosing time and this was getting worse as time when on. This watch being a over 10 years old, was certainly due a service. This would be its first service. These Oris watches are fitted with the Sellita sw200.1. This is modelled on the ETA 2824 and although they look the same the parts do not cross over. These Sellita are still excellent Swiss movements, the 10 plus years time period from new to service is a pretty good determining factor.
Oris TT1 Service – Complete Piece of Mind
As with all complete services the movement and case were stripped cleaned in ammonia and assembled. with fresh oil, grease and gaskets where appropriate. This particular service required just a new mainspring as the original had lost some of its elasticity. Other than the Spring we were able to reuse all the original parts to complete this service. The case and bracelet were were refinished to bring back the shine to the mirror and brushed areas to complete this Oris TT1 service.
Servicing an Oris TT1 with the Sellita calibre SW200.1 requires precision, expertise, and an in-depth understanding of this high-performance movement. At WellingTime, we bring years of experience and a passion for horology to every watch we handle, ensuring your Oris continues to operate smoothly and accurately for years to come. Whether it’s a full service, restoration, or repair, our team is committed to delivering top-quality craftsmanship. Contact us today to give your Oris TT1 the expert attention it deserves, and let’s keep your timepiece performing at its best.
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