Tourbillon / Moon Phase / 24H 3D Large Digital Dial Japanese optical Magnifying glass Stand On Desktop：YES Waterproof and Dustproof Design Waterproof:3ATM Waterproof/Washable Dust can not enter the interior Automatic Winding Mechanical movement Watch Face Diameter: About 48mm Case Thickness: About 12 mm Case Material: Stainless Steel Chain Material: Alloy Chain Length(choose one): Mens necklace 360mm Package Content: 1 X Pocket Watch 1 X Free Chain 1 X Gift Box 1 X User Book Reminder: Specification (1 cm=10 mm=0.394 inch) (approximate) After the dial absorbs light, it will glow for a while, not overnight.Product difference: Manual Winding Movement:no rotor parts, must be fully wound manually every dayAutomatic Mechanical Movement :own rotor parts,When the person wearing the watch moves, the ROTOR pocket watch rotates to provide an automatic winding function. Mechanical watch refers to a watch that uses the mainspring to store power. A hand-wound watch must be wound by a man's hand rotating the crown and pushing the winding device to tighten the clockwork. The automatic watch drives the automatic plate to oscillate back and forth through the natural swing of the wrist to automatically tighten the clockwork. PS:Office workers and elderly people lack exercise and cannot provide enough power for pocket watches. It is recommended to manually wind the clockwork 10 times before going to bed every night to maintain time accuracy.
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