The Tag Heuer 1000 Professional 980.013 is a classic 1980s-era dive watch that was instrumental in saving the brand during the quartz crisis. It is often referred to as the "full-size" model within the 1000 Series, distinguished by its 38mm stainless steel case and iconic submariner-style aesthetic. 

• Case Size: 38mm diameter (excluding crown); 44mm–45mm lug-to-lug.

• Movement: Swiss Quartz, typically using the ETA 955.114 or ESA 536.121 caliber.

• Dial & Bezel: Matte black dial with tritium-coated indices and a unidirectional rotating bezel with a black aluminum insert.

• Water Resistance: Rated for 200 meters (20 ATM) with a screw-down crown and screw-back case.

• Bracelet: Usually paired with a stainless steel "Jubilee" style bracelet featuring a folding fliplock safety clasp.