Citizen Promaster BN0151-09L, 44mm, Blue Dial, Blue Polyurethane Strap
Citizen Promaster, Blue Dial
The Citizen Promaster BN0151-09L is a 44mm men's solar-powered dive watch with a blue dial, stainless steel case, and 200m water resistance. It features Eco-Drive technology and a durable mineral.
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About this item
- Iconic Promaster watches with advanced functions for deep diving.
- Features 3-hand time display and date function.
- Silver-tone stainless steel case construction.
- Luminous hands and markers with anti-reflective mineral crystal.
- Eco-Drive technology, powered by any light, 200 metres water resistant.
- Never needs a battery, offering reliable, light-powered operation.
Top Highlights
- Brand
- Citizen
- Model Name
- Promaster Diver
- Model Number
- BN0151-09L
- Department
- Men
- Item Type
- Diving Watch
- Manufacturer
- Citizen Watch Company
- Country of Origin
- Japan
- First Available
- 15 November 2023
- Release Year
- 2015
Features & Specs
- Display
- Analog
- Movement Type
- Solar
- Calibre
- E168
- Power Source
- Solar Powered
- Additional Features
- Aluminum bezel, One-way rotating elapsed time, Date, ISO-certified Promaster Professional Diver, Stainless Steel case, Three Hand
- Complications
- Date
- Battery
- No battery (solar)
- Strap Type
- Two Piece Strap
- Case Material
- Stainless steel
- Case Size
- 44.0 mm
- Case Thickness
- 12.0 mm
- Lug Width
- 20.0 mm
- Weight
- 430.07 g
- Water Resistance
- 200 m
- Sport Type
- Diving, Swimming, Outdoor Lifestyle
- Strap
- Polyurethane
- Clasp
- Buckle
- Closure Type
- Buckle
- Crystal
- Mineral crystal
- Bezel
- Aluminum bezel, One-way rotating elapsed time
- Dimensions
- 12.45 x 11.43 x 10.16 cm; 430.06 g
Style
- Style Name
- Watches
- Dial Shape
- Round
- Dial Colour
- Blue
- Band Color
- Blue
- Theme
- Sports
- Face Style
- Crosshair
- Collection
- Promaster
- Dial Markers
- Luminous hands and markers
Will it fit your wrist?
Best on 18.5–19.5 cm (7.3–7.7 in) wrists
A 44 mm case sits just right on these wrists. If your wrist is 19.5–20.5 cm, it looks smaller and more understated. If your wrist is 17.5–18.5 cm, it looks bigger and bolder.
Measure your wrist and see what fitsA rough guide based on case diameter only.
Is this watch big or small?
61% of the men's watches we list are smaller than this one
The most common men's size is 42 mm (174 models). 140 models are 44 mm, like this one.
All our watch size dataDescription
The Citizen Promaster BN0151-09L is a robust and reliable men's dive watch, designed for enthusiasts who demand performance both underwater and in daily life. Part of the iconic Promaster collection, this model combines Citizen's renowned Eco-Drive solar technology with a classic diver aesthetic, making it a versatile companion for active individuals. Its ISO-certified design ensures it meets the stringent standards required for professional diving.
This timepiece features a 44mm stainless steel case, providing a substantial presence on the wrist without being overly cumbersome. Powering the watch is Citizen's light-powered Eco-Drive movement, which eliminates the need for battery changes by converting any light source into energy. The blue dial is protected by a durable mineral crystal and offers excellent legibility, complemented by luminous hands and markers, while the 200m water resistance ensures reliability during aquatic adventures.
A key highlight is the unidirectional aluminium bezel, essential for tracking elapsed dive time safely and accurately. The comfortable polyurethane strap with a secure buckle ensures the watch stays firmly in place, even during strenuous activities. This Promaster Diver is an excellent choice for those seeking a dependable, low-maintenance dive watch that blends functionality with a timeless design.
Frequently Asked Questions
How deep can I go with the Citizen Promaster BN0151-09L dive watch?
The Citizen Promaster BN0151-09L offers a water resistance of 200 metres (660 feet), making it suitable for recreational scuba diving, swimming, and snorkelling. It is ISO-certified, ensuring it meets professional diving standards for reliability and performance underwater.
What type of movement powers the Citizen Promaster BN0151-09L?
This Promaster Diver is powered by Citizen's proprietary Eco-Drive solar movement. This innovative technology converts any light source, natural or artificial, into energy, eliminating the need for traditional battery replacements. It stores power in a rechargeable cell, ensuring continuous operation.
What wrist size is suitable for the 44mm Citizen Promaster BN0151-09L?
With its 44mm case diameter and 20mm lug width, the Citizen Promaster BN0151-09L typically fits a wide range of men's wrist sizes, generally from 6.5 to 8.5 inches (16.5 to 21.5 cm). The polyurethane strap offers flexibility for a comfortable fit.
How often should I service my Citizen Promaster Eco-Drive watch?
Citizen Eco-Drive watches like the BN0151-09L are known for their low maintenance. Unlike mechanical watches, they don't require regular lubrication. However, it's advisable to have the water resistance seals checked every 2-3 years, especially if you frequently dive or swim, to ensure its 200m integrity.
How does the BN0151-09L compare to other Citizen Promaster dive watches?
The BN0151-09L stands out with its classic blue dial and polyurethane strap, offering a distinct aesthetic within the Promaster series. Its Eco-Drive solar movement provides a maintenance-free experience compared to automatic variants, while maintaining the robust ISO-certified 200m water resistance common to the Promaster Diver line.
Editor's take
The Citizen Promaster BN0151-09L is a robust and reliable men's dive watch, designed for enthusiasts who demand performance both underwater and in daily life. Part of the iconic Promaster collection, this model combines Citizen's renowned Eco-Drive solar technology with a classic diver aesthetic, making it a versatile companion for active individuals. Its ISO-certified design ensures it meets the stringent standards required for professional diving.
This timepiece features a 44mm stainless steel case, providing a substantial presence on the wrist without being overly cumbersome. Powering the watch is Citizen's light-powered Eco-Drive movement, which eliminates the need for battery changes by converting any light source into energy. The blue dial is protected by a durable mineral crystal and offers excellent legibility, complemented by luminous hands and markers, while the 200m water resistance ensures reliability during aquatic adventures.
While the mineral crystal offers good shatter resistance, it is more prone to scratches compared to sapphire, which is often found on higher-end dive watches. This might be a consideration for those who engage in particularly rough activities or prefer maximum scratch protection. However, for its price point, the overall build quality and functionality remain impressive.
This watch is ideal for divers, outdoor adventurers, and anyone seeking a dependable, low-maintenance daily wearer with a strong aquatic pedigree. Its Eco-Drive system makes it a practical choice for those who prefer not to worry about battery replacements or manual winding, offering a blend of functionality and classic dive watch appeal.
In categories
From the manufacturer

Promaster Diver Endurance
The Citizen Promaster Diver BN0151-09L is engineered for underwater reliability. Its 200-metre water resistance meets ISO standards for diving. The solar movement provides consistent power without battery changes.

Robust Case Construction
The Promaster Diver BN0151-09L features a 44.0mm stainless steel case, designed for durability. A mineral crystal protects the dial, offering clear legibility. The robust construction ensures resilience in demanding environments.
THE DETAILS
Anti-Reflective Mineral Crystal

OWN YOUR STYLE- DISCOVER MORE
The Promaster Diver BN0151-09L combines functional design with a distinct aesthetic. Its 44.0mm case and legible dial provide a purposeful presence. The durable polyurethane strap offers comfort and security for active wear.

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