Vintage Citizen Aqualand Pro Diver Duplex C506-E80427

Description

Original vintage c.1996 Citizen Aqualand Pro Diver Duplex C506-E80427 in a 45mm case. This Citizen is in pristine condition, with a new battery installed October 2025. All functions are operating as designed. This Citizen has been paired with a new, unworn two-piece rubber diver strap, with two optional strap lengths.

The Citizen C506-E80427 is a vintage analog/digital dive watch, part of the Aqualand series, that uses a Citizen C506 caliber quartz movement and a single CR2016 battery. Key features include a depth meter, dive log, rapid ascent warning, and water resistance up to 200 meters. It also has a water temperature sensor, an alarm, a chronograph, and a rotating bezel.

Key features

• Movement: Citizen C506 quartz movement.
• Power: Powered by a single CR2016 battery.
• Display: Analog and digital time display.
• Dive features:
• Electronic depth meter to measure depth.
• Dive log to record dive data.
• Water sensor to indicate water temperature and automatically switch to dive mode.
• Rapid ascent warning alarm.
• Dive table on the original strap.
• Water Resistance: 200 meters (20 ATM).
  Case: Typically a stainless steel case with a round shape and a screw-down caseback.
  Bezel: Unidirectional rotating dive bezel.
  Dial: Black dial with luminous indexes and hands for visibility in low light.
  Crystal: Mineral crystal.
  Chronograph: Includes chronograph functions.
  Calendar: Features an annual calendar function