Citizen Eco-Drive Promaster Dive Orca Black Rubber Strap Watch | 46mm | BN0230-04E

Items Description

The Citizen Eco-Drive Promaster Dive Orca Black Rubber Strap Watch | 46mm | BN0230-04E is a professional-grade dive timepiece engineered for underwater enthusiasts and outdoor adventurers who demand reliable performance without the hassle of battery changes. Powered by Citizen's proprietary Eco-Drive technology, this watch converts light into energy from any natural or artificial source, ensuring continuous operation for decades with proper exposure. The 46mm stainless steel case houses a black dial with luminous hands and markers, delivering exceptional legibility in low-light conditions beneath the surface or on a night dive.

 

Inspired by the formidable orca whale, this Promaster model combines rugged durability with a striking aesthetic. The black polyurethane strap offers a secure, comfortable fit that withstands saltwater, UV exposure, and temperature extremes, while the silver-tone bezel and case provide a refined contrast against the deep black dial. With a water resistance rating of 200 metres and ISO-compliant construction, the BN0230-04E functions as a serious tool watch that transitions effortlessly from the ocean to everyday urban wear.

 

Key Advantages of the Citizen Eco-Drive Promaster Dive Orca Black Rubber Strap Watch | 46mm | BN0230-04E

 

1. Eco-Drive Light-Powered Movement

The defining feature of this Citizen timepiece is its Eco-Drive system, which eliminates the need for conventional watch batteries entirely. Any light source, whether sunlight or indoor ambient illumination, charges an internal lithium-ion cell that powers the quartz movement.

 

• Battery-Free Operation: No replacement batteries required for the lifetime of the watch under normal use.
• Power Reserve: A full charge provides months of operation even in complete darkness.
• Low Maintenance: Eco-Drive technology reduces service intervals compared to traditional quartz watches.
• Environmental Benefit: Avoids the waste associated with disposable watch batteries.

 

2. ISO-Compliant 200-Metre Water Resistance

Certified for serious underwater use, the BN0230-04E meets ISO 6425 standards for dive watches, ensuring it performs reliably in demanding aquatic environments. The screw-down crown and case back create a hermetic seal that protects the movement at depth.

 

• Dive Readiness: Suitable for recreational scuba diving to depths of 200 metres.
• Unidirectional Bezel: Rotating bezel allows precise tracking of elapsed dive time without accidental adjustment.
• Luminous Markers: Hands and indices glow in low visibility, ensuring readability during night or deep-water dives.
• Anti-Magnetic and Anti-Shock: Compliant with ISO resistance standards for magnetic fields and mechanical shocks encountered in active use.

 

3. 46mm Stainless Steel Case with Black Dial

The substantial 46mm case diameter provides a commanding presence on the wrist while accommodating oversized luminous markers for maximum legibility. The brushed and polished stainless steel finish offers corrosion resistance essential for saltwater exposure.

 

• Case Material: Stainless steel construction resists rust, corrosion, and everyday scratches.
• Dial Design: Black dial with luminous hands and markers delivers high contrast against the silver-tone bezel for quick reading.
• Scratch-Resistant Mineral Crystal: Protects the dial from impacts and abrasions during active wear.
• Comfortable Proportions: The 46mm case balances presence with wearability on wrists of varying sizes.

 

4. Durable Black Polyurethane Strap

The included polyurethane strap is engineered for aquatic durability and all-day comfort. Unlike leather or metal bracelets, polyurethane resists water absorption, UV degradation, and odour buildup, making it ideal for frequent diving and sports use.

 

• Water-Resistant Material: Polyurethane does not swell, crack, or degrade in saltwater or chlorinated pools.
• Secure Fit: The strap retains its shape and grip even when wet, preventing slippage during active use.
• Easy Cleaning: Rinse with fresh water after exposure to salt or sand to maintain appearance.
• Replaceable Design: Standard lug width allows for aftermarket strap options if a different look or material is preferred.

 

5. Reliable Quartz Accuracy and Longevity

At the heart of the Promaster Dive Orca is a Japanese quartz movement regulated for precision timekeeping. Combined with Eco-Drive's energy efficiency, this movement maintains accurate timekeeping within seconds per month, outperforming mechanical watches in daily accuracy.

 

• Quartz Precision: This movement is accurate to within approximately 15 seconds per month.
• Low Power Consumption: Eco-Drive circuitry maximizes energy usage from stored light.
• No Scheduled Battery Changes: The unit's service life is measured in decades with proper light exposure.
• Instant Start: The watch resumes operation immediately after any light exposure following a full discharge.

 

The Citizen Eco-Drive Promaster Dive Orca Black Rubber Strap Watch | 46mm | BN0230-04E is best suited for scuba divers, snorkelers, and water sports enthusiasts who need a dependable, battery-free dive watch that performs under real-world conditions. For those who spend time in or near water and want a timepiece that combines ISO-certified dive functionality with the convenience of light-powered charging, this Promaster model offers a straightforward solution without the recurring cost or inconvenience of battery replacements.

Specifications of Citizen Eco-Drive Promaster Dive Orca Black Rubber Strap Watch | 46mm | BN0230-04E

Brand Name	Citizen
Model number	BN0230-04E
Part Number	BN0230-04E
Item Shape	Round
Dial window material type	Mineral
Clasp	Tang Buckle
Case material	Stainless Steel
Case diameter	46 millimeters
Case Thickness	15.4 millimeters
Band Material	Rubber
Band width	19.7 millimeters
Band Color	Black
Dial color	Black
Special features	Glow In The Dark
Item weight	4.2 Ounces
Movement	Japanese Automatic
Water resistant depth	200 Meters
Display Type	Analog

Prev:  Citizen Men's Eco-Drive Promaster Air Nighthawk Watch, Black Leather Strap, Black Dial, Dual Time (Model: BJ7137-07E)     Next: Citizen Mens Multi Dial Eco-Drive Watch with Stainless Steel Strap CB5036-87X, Silver, One Size, Bracelet

Specifications
[Brand Name ]	Citizen
[Model number ]	BN0230-04E
[Part Number ]	BN0230-04E
[Item Shape ]	Round
[ Dial window material type ]	Mineral
[Clasp ]	Tang Buckle
[Case material ]	Stainless Steel
[Case diameter ]	46 millimeters
[Case Thickness ]	15.4 millimeters
[Band Material ]	Rubber
[Band width ]	19.7 millimeters
[Band Color ]	Black
[Dial color ]	Black
[Special features ]	Glow In The Dark
[Item weight ]	4.2 Ounces
[ Movement ]	Japanese Automatic
[ Water resistant depth ]	200 Meters
[Display Type ]	Analog

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