Colt Automatic Model Watch Reference number A17035. Men's/Unisex Watch Genre Automatic Caliber Breitling caliber 17 - 25 jewels Box Steel box material Diameter 40 mm (including crown) Water-resistant 30 ATM never tested. Crystal Sapphire crystal with maximum resistance. Lead blue sphere with numbering from 1 to 12 and baguette-shaped hands. Bracelet Leather bracelet material, with a length of 19 cm closed. Color of the bracelet: Steel. Closure material: Steel, retractable safety closure.