Does it use a sapphire crystal

With 5ATM water resistance and a lightweight 90g profile

With 50-metre water resistance and a slim 6

With its 42 mm stainless steel case with sapphire crystal window

It’s lightweight

Bomberg Watch BB-01 Automatic Red SBH10 Does it use a sapphireSwiss Made Sellita SW200 Automatic 3 Hand Movement Date 26 Jewels Power Reserve 38 Hours. 43mm 316L Stainless Steel Case Sapphire Glass with Anti Reflective Coating Exhibition Caseback Push Pull Crown. Red Grey Racing Wheel Style Layered Dial Luminous Hour and Minute Hands Red Seconds Hand White Arabic Numeral Indexes Date at 6 O'Clock Square Tyre Decorative Pattern on the Side of the Case. 22mm x 17cm Black Red Silicone Rubber Strap with 316L