SEAKOSS Retro Chronograph 1963 Original Seagull ST1901 Movement Men Mechanical Watch Hand Winding sapphire & Acrylic Mirror Pilot Wristwatch, 38mm No Gooseneck, strap

Classic 1963 chronograph: the watch is equipped with the original ST1901 manual winding chronograph movement, when the watch stores full power, it can run for 40 hours; vibration frequency 21600 VPH, stable bearings with 21 jewels, reduce wear and improve the lifespan of the movement. Mechanical hand-winding movement, equipped with a blue swan neck spring device. This device can make the watch time more accurate Material of the sapphire mirror: the watch uses a synthetic sapphire glass mirror, which does not easily scratch the dial, corrosion-resistant, high hardness, 316L stainless steel case, vintage ivory dial, blue hand and three-dimensional scale of golden Arabic numerals, comfortable and breathable nylon strap, with buckle design, the length of the strap adjusts according to the size of the wrist. Watch Features: the watch diameter is 38 mm, the thickness is 13.5 mm, and the strap width is 18 mm, screen back glass, feel the beauty of the mechanical movement; 30 m/3 bar/3 a.m. waterproof design, capable of withstanding light rain and water splashes, not suitable for bathing, swimming, and diving. Do not use the timer function in water. Presentation of usage: start using the watch, manually set the crown for 30 to 40 turns first. When the crown can no longer rotate, it indicates that the watch has stored all the energy; please stop adjusting the crown at that time, otherwise it may damage the movement spring. The chronograph with sub-dials for seconds and 30 minutes Sub Dail, can record every minute and every second. Please Note: When the watch stores energy, the chronograph second hands may run continuously and cannot be controlled. Perfect Gift: This is a classic 1963 Chinese pilot chronograph with a rich historical and cultural heritage. The exquisite design combines perfectly with the functions of the watch, making it perfect for men's daily life, appointments, and meetings; it is also the favorite gift for graduation ceremonies, birthdays, weddings, Father's Day, Christmas, Thanksgiving, Halloween, and Valentine's Day.