Boyarca Pilot Watch Japanese NH35 Movement Automatic Mechanical Wrist Watch Luminous Index Clock Men Waterproof Sapphire Glass Stainless Steel Case

Stainless Steel Mechanical Pilot Watch Men’s Automatic Wristwatch
Movement type: Automatic mechanical movement
Movement model: Japanese NH35A
Movement function: 3 pointers/calendar, frequency 21600 times per hour (3Hz), second stop device, bidirectional automatic winding, 42 hours of energy storage.
Case material: 316L stainless steel
Case technology: Lassa
Bottom cover material: 316L stainless steel
Bottom cover type: screw in solid bottom cover
Case diameter: 39mm (excluding crown)
Case length: 52mm (total length of top and bottom)
Shell thickness: 12mm (including lenses and bottom cover)
Case ear position: 22mm (position connecting the case and strap)
Watch weight: (75g including strap)
Watch length: 250mm (total watch length/circumference)
Watch strap material: belt
Mirror material: artificially synthesized sapphire mirror
Mirror type: flat sapphire
Mirror coating: internally coated with shadowless anti reflective blue film
Glass size: 33.5 * 1.8mm (diameter * thickness)
Crown type: screw in crown
Crown size: 7.00mm (diameter)
Surface luminescence: 240000/KG super luminous powder, green light
Watch needle process: Silver needle coated with 240000/KG super luminous powder, green light
Waterproof level: 50 meters waterproof/diving
Warranty period: Three years of free warranty
Packaging standard: Professional waterproof adhesive box packaging