Seagull ST8004ZS Automatic Tourbillon Mechanical Sapphire Calendar Seagull ST8004ZS Automatic Tourbillon Mechanical Sapphire Calendar So The Seagull  Automatic Tourbillon Mechanical watch combines precision engineering and timeless elegance. Because It displays expert craftsmanship because every component works in harmony to deliver accuracy and beauty. Indeed This timepiece features a captivating tourbillon mechanism that reduces gravity effects and ensures superior performance. Because The sapphire crystal offers excellent clarity and protects the dial from scratches and daily wear. But Its automatic movement lets you enjoy smooth operation and lasting reliability without manual winding. So The stylish case and intriguing open balance wheel attract watch lovers who value sophistication and innovation. Therefore You can rely on its durable stainless steel construction for strength and comfort. Still The calendar function keeps your schedule on track and adds useful practicality. It blends refined design and cutting‑edge technology, so it suits both formal and casual occasions. So Choose the Seagull ST8004ZS and express your appreciation for fine mechanical artistry and modern horology. Seagull Honor ★1955-The first local watch manufacturer. ★1966-China’s first self-designed watch. ★1973-So this was The first international export of Chinese watch brands. ★2006-The first Chinese “Minute Repeater” watch. ★2010-The first Chinese “coaxial (eccentric) dual-axis tourbillon”. ★China’s first watch manufacturer with more than 60 years of technical expertise. ★Therefore we became The world’s largest manufacturer of mechanical movements, also with an annual output of 6 million. ★The movement manufacturer of a world-renowned watch brand. ★Experience in manufacturing tourbillons, dual-axis tourbillons, perpetual calendars and minute repeaters. Seagull mechanical watch Chinese mechanical watch master Seagull ST8004ZS Automatic Tourbillon Mechanical Sapphire Calendar Fashion business mechanical watch Manual winding men’s watch Watch size Dial Diameter: 43mm Case Thickness:12mm Watch Length: 20cm Belt Width: 22mm Water Resistance: 50 M 6-point tourbillon and thread crown Transparent back cover Seagull movement ST8004 High swing frequency,low error,stable travel time,high efficiency power storage 50 meters life waterproof This watch can be used for hand washing and rain. take a bath, swim, etc. Crocodile leather strap Soft, tough, skin-friendly Scenario shows