Men Automatic Mechanical Watches One-piece Case 1000M Waterproof NH35 Dive Wristwatch SD1989

Model No.: SD1989
Brand Name: STEELDIVE
Movement model: Japan NH35
Movement type: fully automatic mechanical movement
Movement features: 3 hands/date, frequency 21600 beats per hour (3Hz), second stop, bidirectional automatic
Dynamic winding, 24 jewels, 41 hours of energy storage.
Case material: 316L stainless steel
Case diameter: 45.00mm (without head)
Case length: 54.50mm (total length up and down)
Case thickness: 15.00mm (including crystal and bottom cover)
Case lug: 22.00mm (connection between case and strap)
Head weight: 151g (without strap)
Whole watch weight: 226g (including 316L stainless steel shark mesh belt)
Luminous features: Swiss Super Luminous BGW9
Strap material: 316L stainless steel shark mesh strap
Bezel Material: Ceramic
Glass features: Synthetic sapphire, flat surface, anti-reflection coating inside
Bezel features: 120 teeth, counterclockwise unidirectional rotating chronograph
Bottom cover type: One-piece case, no bottom cover!
Bar head type: screw-in screw lock bar
Head size: 6.50mm (diameter)
Mirror size: 31.00*3.00mm (diameter*thickness)
Bezel size: 43.00*31.20*1.20mm (outer diameter*inner diameter*thickness)
Surface size: 31.75*31.50*30.50*0.40mm (wire hole * surface diameter * open surface * thickness)
Hand size: 9.50*14.00*14.50mm (hour hand*minute hand*second hand length)
Waterproof level: 1000 meters waterproof / diving [can wash hands, swim, dive, meet all daily waterproof water usage]
Warranty period: two years free warranty
Packaging standard: professional waterproof plastic box packaging