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The band is made of bio-based resin produced from renewable organic materials. battery life: 3 years on CR1616. Button operation tone on/off. Accuracy:± 30 seconds per month. LED backlight Selectable illumination duration (1.5 seconds or 3 seconds), afterglow.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.