Alpina's first solar-powered watch, the Alpiner Extreme Solarmètre blends sporty spirit with Swiss innovation. Its 37.5 mm stainless steel case houses the AL-140 solar quartz calibre, with a power reserve of up to 10 months without light exposure. The navy blue dial, decorated with the brand's signature triangular motif, features applied markers, luminous hands, a date window at 3 o'clock and a blue-tipped seconds hand. Anti-reflective sapphire crystal, matching textured rubber strap, water resistant to 100 metres. Backed by a 3-year manufacturer's warranty.