SWATCH AQUACHRONO - Black Ruder SBB 100 model, 1993. Diver's wristwatch, chronograph, quartz movement. Black case with transparent white rotating bezel for dive time detection. White iridescent mute dial. Black imitation snakeskin leather strap, white stitching. Diam. 45.0 mm. In original box. Strap a little worn towards the dial and a few folds on its face; a few small scratches on the dial. Watches have not been opened, operation is unverified and not guaranteed. Batteries not included or to be replaced. Plastic straps may be dry and brittle.