Citizen Men's Promaster Sea Aqualand Eco-Drive Watch, Polyurethane Strap, Chronograph, Date, 12/24 Hour Time, Power Reserve Indicator, Sapphire Crystal, Luminous Hands and Markers

Items Description

The Citizen Men's Promaster Sea Aqualand Eco-Drive Watch is a professional dive watch engineered for underwater exploration and demanding outdoor use. This timepiece combines a 200-meter water resistance rating with a 50-minute chronograph, making it a reliable instrument for divers who need precise elapsed-time tracking during decompression stops or bottom time. Powered by Citizen's Eco-Drive technology, the watch converts light into energy through a solar cell beneath the dial, eliminating the need for battery replacements and ensuring consistent operation for years.

 

The Aqualand series has long been recognized within Citizen's Promaster collection for its functional dive-oriented design. This model features a black polyurethane strap that resists saltwater degradation and provides a secure fit over a wetsuit, while the sapphire crystal protects the dial from scratches encountered on rocky shorelines or boat decks. The luminous hands and markers ensure legibility in low-visibility underwater conditions, and the power reserve indicator allows the wearer to monitor remaining charge before a planned dive.

 

Key Advantages of the Citizen Men's Promaster Sea Aqualand Eco-Drive Watch, Polyurethane Strap, Chronograph, Date, 12/24 Hour Time, Power Reserve Indicator, Sapphire Crystal, Luminous Hands and Markers

 

1. Eco-Drive Movement for Maintenance-Free Operation

Citizen's proprietary Eco-Drive system sits at the core of this watch, converting ambient light from natural or artificial sources into electrical energy stored in a rechargeable lithium-ion cell. This approach removes the routine chore of battery changes and supports a more sustainable ownership experience compared to conventional quartz movements.

 

• Light-Powered Charging: The dial integrates a solar panel that charges in both sunlight and indoor lighting.
• Extended Power Reserve: Once fully charged, the watch continues running for months even when stored in darkness.
• Power Reserve Indicator: A dedicated dial segment displays the current charge level, helping users plan for recharging before extended use.
• Battery-Free Design: No replacement batteries are required over the product's service life, reducing long-term maintenance costs.

 

2. 200-Meter Water Resistance and Dive-Ready Construction

Rated to 200 meters (20 Bar), this Promaster Aqualand model meets the requirements for recreational scuba diving and professional underwater work. The screw-down crown and case back form a sealed environment that protects the movement from water ingress at depth.

 

• Dive-Rated Seal: The case is constructed to withstand the pressure encountered at 200 meters below the surface.
• Screw-Down Crown: A threaded crown locks securely to prevent accidental adjustment during dives.
• Polyurethane Strap: Resistant to saltwater, chlorine, and UV exposure, the strap maintains flexibility and grip in wet conditions.
• Deployment Clasp: The adjustable clasp allows quick sizing over a wetsuit with minimal effort.

 

3. 50-Minute Chronograph for Precise Elapsed Time

The integrated chronograph measures elapsed time up to 50 minutes, a practical range for tracking bottom time, safety stops, or surface intervals during a dive profile. The sub-dial arrangement keeps readings accessible without distracting from primary dive data.

 

• Chronograph Sub-Dial: Displays elapsed minutes for periods up to 50 minutes.
• Center Seconds Hand: Measures elapsed seconds with a clear, direct read.
• Start/Stop/Reset Control: The upper pusher starts and stops timing, while the lower pusher resets to zero.
• Independent Operation: The chronograph runs without affecting the main timekeeping function.

 

4. Sapphire Crystal and Luminous Markers for Clear Reading

The sapphire crystal covering the dial is treated with an anti-reflective coating, providing high scratch resistance and reducing glare during bright surface conditions. Luminous paint applied to the hands and hour markers emits a steady glow after brief exposure to light, ensuring readability in dark water or night environments.

 

• Sapphire Crystal: Offers significant hardness over mineral glass, resisting scratches from everyday wear.
• Anti-Reflective Coating: Minimizes reflections that could obscure the dial in direct sunlight.
• Luminous Hands and Markers: Charge quickly under light and remain visible for hours in darkness.
• Date Window: Positioned at the 3 o'clock location, the date display is magnified for quick reference.

 

5. 12/24-Hour Time Display and Practical Readout

Beyond standard timekeeping, this model includes a 12/24-hour format option, allowing the wearer to switch between civilian and military time conventions. This flexibility proves valuable for divers coordinating schedules across time zones or working in international contexts where 24-hour notation is standard.

 

• Dual Format: Choose the display format matching your preference or operational protocol.
• Date Function: The calendar shows the current date with a quick-set mechanism for end-of-month adjustments.
• Unidirectional Bezel: The rotating bezel tracks elapsed dive time, with clicks that prevent accidental counter-clockwise movement.

 

The Citizen Men's Promaster Sea Aqualand Eco-Drive Watch is best suited for recreational divers, snorkelers, and water sports enthusiasts who want a self-sufficient timepiece with reliable underwater performance. For those planning regular dives or extended boat trips, this watch offers the practical combination of chronograph timing, 200-meter water resistance, and light-powered charging without the dependency on battery replacements or frequent servicing.

Specifications of Citizen Men's Promaster Sea Aqualand Eco-Drive Watch, Polyurethane Strap, Chronograph, Date, 12/24 Hour Time, Power Reserve Indicator, Sapphire Crystal, Luminous Hands and Markers

Brand Name	Citizen
Model number	BJ2168-01E
Part Number	BJ2168-01E
Item Shape	Round
Dial window material type	Sapphire Crystal
Clasp	Buckle
Case material	Stainless Steel
Case diameter	50 millimeters
Case Thickness	16 millimeters
Band Material	Rubber
Band width	22 millimeters
Band Color	Black
Dial color	Black
Bezel material	Stainless Steel
Bezel function	Stationary
Calendar	Date
Special features	Chronograph
Item weight	5.38 Ounces
Movement	Eco-Drive
Water resistant depth	200 Meters
Display Type	Analog

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Specifications
[Brand Name ]	Citizen
[Model number ]	BJ2168-01E
[Part Number ]	BJ2168-01E
[Item Shape ]	Round
[ Dial window material type ]	Sapphire Crystal
[Clasp ]	Buckle
[Case material ]	Stainless Steel
[Case diameter ]	50 millimeters
[Case Thickness ]	16 millimeters
[Band Material ]	Rubber
[Band width ]	22 millimeters
[Band Color ]	Black
[Dial color ]	Black
[Bezel material ]	Stainless Steel
[ Bezel function ]	Stationary
[ Calendar ]	Date
[Special features ]	Chronograph
[Item weight ]	5.38 Ounces
[ Movement ]	Eco-Drive
[ Water resistant depth ]	200 Meters
[Display Type ]	Analog

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