Watch model: AD2055 (with steel strip)

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, 24 gemstones, 41 hours of energy storage.

Case material: 316L stainless steel

Case technology: Brush

Bottom cover material: 316L stainless steel

Bottom cover type: screw in solid bottom cover

Case diameter: 39mm (excluding crown)

Case length: 49mm (total length of top and bottom)

Shell thickness: 12mm (including lenses and bottom cover)

Case lug position: 20mm (position connecting the case and strap)

Watch weight: (136g including steel strap)

Watch length: 220mm (total watch length/circumference)

Watch strap material: stainless steel

Mirror material: artificially synthesized sapphire mirror

Mirror type: flat sapphire

Mirror coating: internally coated with Swiss shadowless anti reflective blue film

Glass size: 33.5 * 1.8mm (diameter * thickness)

Crown type: screw in crown

Crown size: 7.00mm (diameter)

Surface glow: Retro super luminous powder, emitting yellow green glow

Watch needle technology: Retro super luminous powder, emitting yellow green glow at night

Waterproof level: 200 meters waterproof/diving [can wash hands, swim, dive, meet all daily waterproof requirements]

Packaging standard: Professional waterproof adhesive box packaging