1, Brand:YELANG

2, Model:YL5.1

3, Luminous Tubes

4, Movement:SW220 Automatic Movement

5, Mirror:Anti Scretch Sapphire Crystal

6, Strap:316L Solid Stainless Steel

7, Crown:Screw-down Crown

8, Case:316L Stainless Steel

9, Back:Screw-down Back

10, Weight:220g

11, Waterproof:300m

12, Case Diameter:44mm

13, Case Thickness:14.8mm

13, Strap Length:24cm

14, Functions:Exhaust Helium Device / Diving / Dual Calendar / Luminous / Distinguish North South / Mil