Silicone

The Citizen Sport Casual Weekender Eco-Drive is a light-powered timepiece featuring a 44mm stainless steel case with a thickness of only 11mm, giving it a smaller feel on the wrist than the case size would suggest. It sports a textured charcoal gray dial with luminous markers and a very comfortable polyurethane strap. 100m of water resistance. Citizen’s Eco-Drive technology charges the watch with any light source and never requires a battery. Caliber number J810. The watch is in excellent condition with only a few signs of light wear on the strap and caseback. The crystal and bezel are clean. Comes with original box and booklet

The Citizen Sport Casual Weekender Eco-Drive is a light-powered timepiece featuring a 44mm stainless steel case with a thickness of only 11mm, giving it a smaller feel on the wrist than the case size would suggest. It sports a textured charcoal gray dial with luminous markers and a very comfortable polyurethane strap. 100m of water resistance. Citizen’s Eco-Drive technology charges the watch with any light source and never requires a battery. Caliber number J810. The watch is in excellent condition with only a few signs of light wear on the strap and caseback. The crystal and bezel are clean. Comes with original box and booklet