Seiko Prospex Automatic Watch with 41-Hour Power Reserve This sophisticated timepiece features a reliable automatic movement calibre 4R39, powered entirely by your wrist motion. The 41.8mm stainless steel case in yellow gold houses a stunning matching dial with hour, minute, second, and 24-hour hand indicators. Water-resistant design suits everyday wear and light water exposure. The sapphire crystal ensures scratch resistance, while the pull-out crown allows for easy time adjustment and hand winding capability when needed. An exhibition case back reveals the intricate mechanical movement within. Weighing just 132g, the matching yellow gold stainless steel bracelet sits comfortably on the wrist with a 20mm lug width. With an impressive 41-hour power reserve, this watch maintains accuracy even after a day without wear. A timeless blend of Japanese precision engineering and elegant design, perfect for those who appreciate mechanical watchmaking.