SEAKOSS 100M GMT Original ST2557 Movement Men's Diving Automatic Mechanical Watch Super Luminous Calendar Waterproof Wristwatch

GMT Diving Automatic Mechanical Watch For Men 1963 st2557 Automatic Movement 10Bar Waterproof Super Luminous Calendar Sapphire WristwatchesWatch Parameters:Brand Name: SEAKOSSWater Resistance Depth: 10BarStyle: BusinessBand Length: 21cmCase Material:316L Stainless steelOrigin: CN(Origin)Clasp Type: BuckleMovement: Mechanical Hand Wind,Automatic Self-WindCase Thickness: 17.5mmBoxes & Cases Material: PlasticBand Material Type:SiliconeFeature: Luminous,Auto Date,Chronograph,Complete Calendar,luminous handsBand Width: 24mmDial Diameter: 45mmCase Shape: RoundModel Number: 2557Automatic Self-WindDial Window Material Type: SapphireItem Type: Mechanical WristwatchesMovement: Genuine 2557 Automatic MovementFunction: 100m Waterproof, Calendar, Super Luminous,GMT/24 HoursMovement Model: Automatic Self-Wind

User Guidance & FAQ ：
Q: Is the GMT hand independent?
A: Yes, the SEAKOSS GMT features an independent GMT hand that can be set to a second time zone without affecting the main hour hand.
Q: Can I wear this watch for diving?
A: With a 10ATM (100-meter) rating, it is perfectly suited for light water sports. For professional saturation diving, we recommend a 20ATM+ model.
Q: What is the benefit of the Seagull ST2557 movement?
A: The ST2557 is a "workhorse" movement known for its durability and ease of maintenance, a luxury usually found in higher-priced Swiss watches.