#12903 A-7TS RETROSPEC™ SOLAR Black Dial, Alpina Brown Duraform™ leather bandThe Bertucci® A-7TS RETROSPEC™ Solar field watch features a solid titanium U.S. Patented Unibody™ 41 mm case that is a clean functional design with a retro feel. It is equipped with a precision solar powered all-metal movement that has 6 month power reserve, excellent accuracy & reliability... and requires no battery changing or charging. The brushed finish titanium case offers excellent durability and lightweight comfort. The functional high contrast dial is easy to read and offers 12-24 hour time w/ date. Also, equipped with a scratch resistant R-Type sapphire crystal, rugged screw down crown & back, Active Comfort™ band, Swiss super luminous hands & markers, & 200 M water resistance.Bertucci® Solar movement equipped field watches convert any form of light (sun or indoor lighting) to electrical energy. No battery changing is required. Energy is stored in a capacitor that will last indefinitely. In certain very rare conditions, this environmentally friendly capacitor, may need to be replaced. The solar movement meets the Bertucci® accuracy requirement for all movements of +/- 20 seconds per month accuracy. This movement is jeweled, with metal parts, designed for long life, meeting our reliability specifications. The power reserve is 6 months with a full charge... what this means is the watch can sit in a drawer (with no light exposure) for up to 6 months and still keep near perfect time. Additionally, these models are equipped with a low power feature. The way it works is the integrated circuit recognizes low power, that then causes the second hand to skip (while keeping near perfect time) for 24 hours... indicating it needs light exposure... but that’s easy as with normal wear this would never happen as in practice as the watch is perpetually powered with any light source.
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