2Jewellery Astronaut Watch. Movement: 7H50 automatic Model: 1971 style: sports Shape: barrel shape Popular elements: hollow Movement Type: Mechanical movement - automatic mechanical movement Strap Material: Rubber Dial thickness: 14mm Dial Diameter: 49.5mm Case Material: Carbon Fiber Display method: pointer Crown Type: Ordinary Bottom Type: Ordinary Waterproof depth: 5ATM Watch mirror material: Synthetic sapphire crystal