Citizen Promaster CB0241-00L, 42mm, Blue Dial, Brown Leather Strap
Citizen Promaster 42mm, Blue Dial
The Citizen Promaster CB0241-00L is a men's solar-powered pilot watch with a blue dial, 42mm stainless steel case, and 200m water resistance.
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About this item
- Promaster watches offer functionality, durability, and safety for adventure.
- Radio control updates time and date automatically from an atomic clock.
- Silver-tone stainless steel case and 200 metres water resistance.
- Powered by Eco-Drive technology, using any light source, never needs a battery.
- Includes a 5-year limited warranty for peace of mind.
Top Highlights
- Brand
- Citizen
- Model Number
- CB0241-00L
- Department
- Men
- Item Type
- Casual Watch
- Manufacturer
- Citizen
- Country of Origin
- Japan
- First Available
- 19 July 2021
- Release Year
- 2021
Features & Specs
- Display
- Analog
- Movement Type
- Solar
- Calibre
- H145
- Additional Features
- Perpetual Calendar
- Complications
- Perpetual calendar
- Battery
- No battery (solar)
- Strap Type
- Two Piece Strap
- Case Material
- Stainless steel
- Case Size
- 42.0 mm
- Case Thickness
- 11.9 mm
- Water Resistance
- 200 m
- Sport Type
- Walking
- Strap
- Leather
- Clasp
- Foldover Clasp With Push Button
- Closure Type
- Buckle
- Crystal
- Mineral crystal
Style
- Dial Shape
- Round
- Dial Colour
- Blue
- Band Color
- Brown
- Theme
- Sports
- Face Style
- Custom
- Collection
- Promaster
Will it fit your wrist?
Best on 17.5–18.5 cm (6.9–7.3 in) wrists
A 42 mm case sits just right on these wrists. If your wrist is 18.5–19.5 cm, it looks smaller and more understated. If your wrist is 16.5–17.5 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?
50% of the men's watches we list are bigger than this one
42 mm is the most common men's size (173 models).
All our watch size dataDescription
The Citizen Promaster CB0241-00L is a robust and feature-rich timepiece designed for the modern man who values precision and durability. Part of the renowned Promaster collection, this watch embodies Citizen's commitment to functionality and adventure, suitable for both daily wear and more demanding environments. Its sophisticated design with a blue dial and leather strap makes it a versatile choice for various occasions.
At its core, this Promaster model is powered by Citizen's Eco-Drive solar movement, ensuring reliable timekeeping without the need for battery changes. Encased in a 42mm stainless steel case and protected by a mineral crystal, it offers 200 metres of water resistance, making it suitable for swimming and recreational diving. The watch also features a perpetual calendar, adding to its practical utility.
A standout feature is its radio-controlled atomic timekeeping, which automatically updates the time and date for unparalleled accuracy. This ensures the watch is always precise, making it an ideal companion for travellers or those who demand exact time. The foldover clasp with push button on the leather strap provides a secure and comfortable fit, blending style with everyday functionality.
Frequently Asked Questions
Is the Citizen Promaster CB0241-00L suitable for daily swimming or showering?
Yes, with 200 metres of water resistance, the Citizen Promaster CB0241-00L is well-suited for daily swimming, snorkelling, and recreational diving. It can certainly handle showering without issue.
How does the Eco-Drive movement compare to traditional quartz watches?
The Eco-Drive solar movement in the Citizen Promaster CB0241-00L is superior as it converts any light into energy, eliminating the need for battery replacements. Traditional quartz watches require periodic battery changes.
Who is this Promaster watch most suitable for?
This Promaster watch is ideal for men who appreciate advanced technology, precision, and durability. Its radio-controlled atomic timekeeping and 200m water resistance make it perfect for travellers and active individuals.
What kind of maintenance does the Citizen Promaster CB0241-00L require?
Thanks to its Eco-Drive technology, the Citizen Promaster CB0241-00L requires minimal maintenance, primarily ensuring it receives adequate light exposure. Regular checks of the leather strap are also recommended.
What is the typical wrist size range this 42mm watch would fit?
A 42mm watch like the Citizen Promaster CB0241-00L generally fits a wide range of men's wrist sizes, typically from 6.5 to 8 inches comfortably. The leather strap allows for good adjustability.
What is the main advantage of the perpetual calendar complication?
The perpetual calendar in the Citizen Promaster CB0241-00L automatically adjusts for month lengths and leap years, ensuring the date display is always correct without manual adjustment. This is a significant convenience for daily wear.
Editor's take
The Citizen Promaster CB0241-00L represents a compelling blend of advanced technology and rugged utility, firmly placing it within the brand's esteemed Promaster collection. Designed for the active individual, this timepiece caters to those who demand precision and reliability without the fuss of battery changes. Its Eco-Drive solar movement and radio-controlled timekeeping make it an ideal companion for global travellers and outdoor enthusiasts alike, offering a sophisticated yet practical aesthetic.
Technically, the CB0241-00L is a robust instrument. It features a 42mm stainless steel case paired with a durable mineral crystal, providing ample protection for daily wear. The watch boasts an impressive 200 metres of water resistance, making it suitable for various water sports and recreational diving. Furthermore, the integrated perpetual calendar ensures the date is always accurate, a testament to its thoughtful engineering.
While the mineral crystal offers good shatter resistance, it is more prone to scratches compared to sapphire, which might be a consideration for those in extremely harsh environments or seeking ultimate scratch protection. The leather strap, while stylish, may also require more frequent replacement than a metal bracelet if subjected to constant moisture or rigorous activity.
Ultimately, the Citizen Promaster CB0241-00L is an excellent choice for individuals seeking a highly accurate, low-maintenance watch with a strong feature set. Its radio-controlled atomic timekeeping and Eco-Drive technology offer significant convenience. For those prioritising extreme scratch resistance or a more formal aesthetic, exploring other Promaster variants with sapphire or a stainless steel bracelet might be worthwhile, though this model offers a superb balance of features and value.
In categories
From the manufacturer

Solar Powered Durability
The Citizen CB0241-00L features a reliable solar movement, eliminating the need for battery changes. Its 42.0mm stainless steel case, protected by a mineral crystal, offers robust construction. With 200m water resistance, this timepiece is suitable for various aquatic activities.

Robust Case, Classic Strap
The 42.0mm stainless steel case of the CB0241-00L provides a substantial yet wearable presence on the wrist. A durable mineral crystal protects the dial from impacts and scratches. Complementing the robust case is a classic leather strap, ensuring comfort and versatility for daily wear.
THE DETAILS
Anti-Reflective Sapphire Crystal

OWN YOUR STYLE- DISCOVER MORE
The CB0241-00L's design, paired with its leather strap, offers adaptability for various personal expressions. Its 200m water resistance and solar movement provide practical functionality for diverse environments. This combination of aesthetic and technical attributes allows for a versatile daily companion.

CITIZEN PARTNERSHIPS
The official timepiece partner of Disney parks, runDisney sponsorship, events and more.
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