Model No.: SD1971
Brand Name: STEELDIVE
Movement model: NH35 automatic mechancial
Movement Characteristics: 3-pin/calendar, frequency 21,600 times per hour(3Hz), stop-seconds device, two-way automatic winding, 24 stones, 41 hours energy storage.
Luminous features: Swiss Super Luminous BGW9
Case material: 316L stainless steel
Case diameter: 44.9mm
Lug to lug: 52.5mm
Case thickness: 14.7mm
Case lug: 20mm
Strap material: rubber strap
Glass material: synthetic sapphire with AR coating
Bezel Material: ceramic
Bezel features: 120 teeth, counter-clockwise unidirectional rotating chronograph
Bottom cover type: screw-in back cover
Crown type: screw-in crown
Water resistance: 200M/20ATM/20BAR
Packing: Gift box/Tag/Warranty card/Manual