Discover the elegance of the Citizen Tsuyosa, an automatic men's watch that blends style and precision. The robust 40mm steel case features a captivating see-through case back, allowing you to admire the mechanical heart of the timepiece. The black dial, both essential and refined, is enhanced with applied indices and protected by a durable sapphire crystal. The watch wears comfortably thanks to its stainless steel bracelet with a hidden clasp. With 5 ATM water resistance and a 60-hour power reserve, it's the ideal daily companion.