The IWC Aquatimer Chronograph IW371928 is a classic luxury dive watch produced between 2004 and 2009. Known for its functional, understated design, this reference features a stainless steel case and a signature internal rotating bezel system.

• Case: 42mm stainless steel with a height of approximately 13.4mm.

• Movement: Powered by the IWC Calibre 79320, which is based on the reliable Valjoux 7750.

  • Power Reserve: ~44 hours.

  • Functions: Hours, minutes, small seconds, chronograph, and a Day-Date display at 3 o'clock.

• Dial: Matte black with luminous baton indexes and silver-tone hands.

• Bezel: An innovative internal rotating bezel operated by the crown at 4 o'clock, which also doubles as the chronograph reset pusher.

• Water Resistance: Rated to 120 meters (12 ATM), suitable for surface swimming and recreational diving.

• Crystal: Scratch-resistant sapphire with anti-reflective coating.

• Bracelet: Features the IWC quick-change stainless steel bracelet system with a push-button release safety clasp.