Devon Tread 1 Manual De Propietario página 19

Exposure to various chemicals can also affect the
appearance of the brass alloys. Chemicals like
ammonium sulfide, sulfur, cupric nitrate, ferric nitrate,
and acetic acid (vinegar) to name a few, should be
avoided to assure a consistent, natural patina. Using
the same care methods described above in the
cleaning section will ensure an attractive appearance
and prevent any adverse chemical reactions.
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M a i n t E n a n C E a n d r E pa i r s
The Tread 1 should be cleaned and serviced every
2-5 years depending on use and wear. You can
send the watch to your authorized Devon retailer or
service center to have this service performed.
Sending your watch to a Devon service center is the
only way to ensure that the replacement parts are
genuine Devon parts. Your Devon watch will also be
returned with papers documenting the authenticity
of the repairs performed by a Devon service center.