Haofa 2371 Dopamine Color Chronograph Watch Tachymeter Automatic Movement WristWatch

Product Information:

Movement:4H368
Model:2371
Drive: Single Spring
Winding Method: Automatic winding 
Power reserve:60 (hours) /chronograph status 50H
Vibration frequency:28800 (times/hour) 
Case diameter:38mm
Case thickness:13.5mm
Case Material: Stainless steel
Strap Material: Rubber
Water resistance:30 meters 
Crystal Material: Synthetic sapphire
Back cover: Synthetic sapphire
Crown: Straight in