SS304L and SS316L are very much similar in appearance. They both are austenitic, non-magnetic and non-harden-able by heat treatment. Their content is different.
Quartz watch movement are way more durable and basically maintenance free during its lifetime, if you do not count changing battery every 2 to 3 years as maintenance.
During Setember 03rd-07th, 2019, ESTON WATCH has shown their latest design men watches and women watches in the HKTDC Hong Kong Watch & Clock Fair.
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