STEELFLIER Official SF752 Fashion Mechanical Wristwatch NH35 Movement Super BGW9 Luminous 20Bar Waterproof Luxury Dive Watches

Project code: SF752
Brand name: STEELFLIER
Movement model: Japan NH35
Movement type: Fully automatic mechanical movement
Movement features: 3 pins/calendar, frequency 21600 times per hour (3Hz), stop second device, two-way automatic winding, 24 stone, 41 hours of energy storage.
Case material: 316L stainless steel
Case diameter: 45.00mm (without crown)
Case length: 52.50mm (total length above and below)
Case thickness: 15.20mm (including mirror and back cover)
Case lug: 22.00mm (case and strap link)
Watch weight: 120g (without strap)
Weight: 134g (with black leather strap) 142g (with brown leather strap) 154g (with nylon strap) 241g (with steel strap)
Luminous features: Swiss super luminous
Strap material: Steel, leather, nylon
Bezel material: Stainless steel
Watch mirror features: Synthetic sapphire
Bezel features: 120 teeth, counterclockwise unidirectional rotating chronograph
Bottom cover type: Screw in solid bottom cover
Crown type: Screw-in screw-lock crown
Crown size: 7.00mm (diameter)
Watch mirror size: 33.50*3.80mm (diameter * thickness)
Dial size: 36.50*36.00*33.00*0.40mm (wire hole * surface diameter * open surface * thickness)
Pointer size: 10.00*15.00*15.00mm (hour hand * minute hand * second hand head length)
Waterproof level: 200M waterproof/dive

Package specification:
-Mechanical watch
-Waterproof watch box
-User manual
-Hang tag
-Warranty card
-Steel belt adjuster (choose steel belt to get)

Instructions for use of STEELFLIER mechanical watches

1. Just received the watch, the first time you use it, you need to turn the crown clockwise 40-50 turns as the initial kinetic energy

2. Please keep in mind that your self-winding mechanical watch may stop or run slowly at night. This does not mean that the watch must be malfunctioning or defective! This may indicate that the watch does not have enough wrist movement, kinetic energy, or power to move.

3. Use the watch for at least 8 hours a day to maximize energy reserves

4. If you have not worn a self-winding watch for more than 40 hours, you should turn the crown 20 times when you wear it again to start the drive system of the movement again

5. It is recommended to adjust the watch to the correct time every day or every few days

6. It is recommended to wind the watch to reserve kinetic energy every night before removing the watch during the first week after purchase.