SEAKOSS Retro-Chronograph 1963 Original Seagull ST1901 Movement Men Mechanical Watch Hand Winding Sapphire & Acrylic Mirror Pilot Wristwatch, 40mm-sapphire Gooseneck, strap

CLASSICAL 1963 CHRONOGRAPH:The watch is equipped with the original ST1901 chronograph manual winding movement,When the watch stores full energy,Can working 40-hours;Vibration frequency 21600VPH ,21 jewels stable bearings,reduce wear and improve the service life of the movement.Mechanical hand winding movement, do not use batteries.Equipped with a blue gooseneck spring device, this device can make the watch time more accurate. Sapphire mirror material: The watch uses a synthetic sapphire glass mirror, which is not easy to scratch the dial, corrosion-resistant and has high hardness. It has a 316L stainless steel case, a retro ivory dial, blue hands and three-dimensional gold Arabic numerals, a comfortable and breathable nylon strap with a buckle design, and the strap length can be adjusted according to the size of the wrist. Features: 40mm diameter, 13.5mm thickness, 20mm strap width, display case back, allowing you to experience the beauty of mechanical movement. Water resistant to 30m/3bar/3am for everyday use, it withstands light rain and splashing water. Not suitable for bathing, swimming, or diving. Do not use the chronograph function underwater. Instructions: When using the watch, manually adjust the crown 30 to 40 times. When the crown stops turning, it indicates the watch is fully charged. Stop adjusting the crown at this point, as this may damage the movement spring. The chronograph seconds hand and 30-minute subdial on the subdial record every minute and every second. Please note: While the watch is charging, the chronograph seconds hand on the subdial may continue to rotate without control. PERFECT GIFT: This is a classic 1963 chinese pilot chronograph with a rich historical and cultural heritage. The exquisite design perfectly blends with the functions of the timepiece, making it perfect for men's daily lives, dates, and meetings to wear; It is also the preferred gift for graduation ceremonies, birthdays, weddings, Father's Day, Christmas, Thanksgiving, Halloween, and Valentine's Day.