Brand: ZENITH (Swiss Luxury Watch). Model Name: Chronomaster Original. Dial Color: Black. Case Material: Stainless Steel. Case Size: 38mm Round. Movement Type: Automatic mechanical, Caliber El Primero 3600. Functions: Date display at the 4-5 position, Analog sub-dials displaying seconds and tenths of a second (1/10th), analog minutes sub-dial for chronograph timing. Additional Features: Three sub-dials on black dial; Silver tone hands with index hour markers; Minute markers around outer rim; Scratch-resistant sapphire crystal; Water Resistance: 50 meters / 165 feet.