All the models will come with a metal band and a silicon band.
FEACTURES
A fully-automatic mechanical movement with 80 hours of power reserve, 21 jewels bearing, 28,800 vph, luminous indices and hands, synthetic sapphire glass, waterproof to 100 meters (10 ATM or about 330 feet), and tool-free strap replacement.
SPEC
Case Diameter: 45mm
Case Thickness: 11mm
Glass: Synthetic Sapphire
Movement: Cal.T3155 automatic mechanical movement
Watch face color: Silver
Case Material: 316L Stainless Steel
Band: Steel strap - 316L Stainless Steel
Band width: 22mm
Band Color: Silver
Band exchangeable: Yes
Waterproof: Up to 100 meter/ 10 Bar