Watch model: AD2101

Movement type: automatic machine

Movement model: Japanese NH35

Movement functions: 3 hands/date, frequency of 21,600 times per hour (3Hz), stop-seconds device, two-way self-winding, 24 jewels, 41 hours of energy storage.

Case material: 316L stainless steel

Case technology: polishing brushing

Bottom cover material: 316L stainless steel

Bottom cover type: screw-in solid bottom cover

Case diameter: 40mm (excluding head)

Case length: 40mm (total length from top to bottom)

Shell thickness: 15mm (including lens and bottom cover)

Case ear position: 20mm (position where the case and strap are connected)

Watch weight: 163g (including steel strap)

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

Strap material: stainless steel/rubber band/NATO nylon

Mirror material: synthetic sapphire

Mirror type: double sapphire

Mirror mirror coating: Internally coated with Swiss shadowless anti-reflective film

Glass size: 30.00mm*5.00mm*2.50mm (diameter*medium height*thickness)

Crown type: screw-in screw crown

Crown size: 7.00mm (diameter)

Bezel material: ceramic

Baffle function: one-way rotation

Luminous bezel: 240,000/KG Swiss retro super luminous powder, yellow-green light

Ceramic ring size: 30.20mm*37.70mm*1.45mm (outer diameter*inner diameter*thickness)

Surface color: black sparkle pattern

Surface luminescence: 240,000/KG Swiss C3 retro super luminous powder, yellow-green light

Surface size: 31.50mm*31.00mm*29.50mm*0.40mm (hole * surface diameter * opening * thickness)

Hand craftsmanship: sandblasted retro copper color coating C3 retro super luminous powder, yellow-green light

Dial luminous: C3 retro super luminous powder, yellow-green light

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

Exhaust valve: none

Packaging standard: professional waterproof plastic box packaging