Citizen Men’s Eco-Drive Promaster Eco Sky

Product Overview

The Citizen Men’s Eco-Drive Promaster Eco Sky is a rugged, adventure-ready timepiece built for explorers who value precision and sustainability. Designed for use in the air, on land, or at sea, this watch combines professional-grade durability with eco-conscious innovation. Powered by Citizen’s signature Eco-Drive technology, it harnesses light—natural or artificial—to keep running without battery replacements. Ideal for outdoor enthusiasts, pilots, and travelers, the Promaster Eco Sky delivers reliable performance in demanding environments while maintaining a refined, masculine aesthetic.

Key Features

• Eco-Drive Technology: Powered by light, this watch never needs a battery change. It charges efficiently from any light source and maintains a long reserve power, making it dependable for extended adventures.
• Anti-Reflective Sapphire Crystal: The scratch-resistant sapphire crystal includes an anti-reflective coating, ensuring clear readability in bright conditions—essential for pilots and outdoor professionals.
• 200M Water Resistance: Engineered for serious water exposure, this watch is suitable for swimming, snorkeling, and surface diving, aligning with its Promaster legacy of extreme durability.
• Stainless Steel Case with Blue Dial: The 42mm silver-tone stainless steel case houses a bold blue dial, offering a balanced blend of sportiness and sophistication. The round case design ensures a comfortable fit and classic watch proportions.
• Brown Leather Strap with Fold-Over Clasp: The genuine leather strap provides comfort and durability, while the fold-over clasp ensures a secure fit during active use.
• H145 Base Movement: A high-precision quartz movement ensures accurate timekeeping, essential for professionals who rely on punctuality and consistency.

Technical Specifications

• Model Number: CB0241-00L
• Collection: Promaster Air
• Eco-Drive: Yes
• Base Movement: H145
• Clasp Type: Fold Over Clasp
• Dial Color: Blue
• Case Material: Stainless Steel
• Case Color: Silver-Tone
• Case Shape: Round
• Case Width: 42mm
• Case Length: 42mm
• Band Type: Strap
• Band Color: Brown
• Band Material: Leather
• Crystal Material: Anti-Reflective Sapphire Crystal
• Water Resistance: 200M
• Battery: 1 Lithium Ion (included)
• Package Dimensions: 6.22 x 5.12 x 4.21 inches
• Item Weight: 1.15 pounds
• ASIN: B099T6P1XM
• Date First Available: July 19, 2021
• Department: Mens

Benefits & Use Cases

The Promaster Eco Sky is engineered for individuals who lead active, adventurous lifestyles. Its 200-meter water resistance makes it suitable for water sports, while the anti-reflective sapphire crystal ensures legibility under direct sunlight—critical for pilots and outdoor guides. The Eco-Drive system eliminates the need for frequent maintenance, ideal for travelers or those in remote locations. The leather strap offers comfort for all-day wear, whether in the cockpit, on a hiking trail, or in a professional setting. As part of the Promaster Air line, this watch embodies functionality and resilience, supporting users in high-stakes environments.

Important Notes

This watch comes with a five-year limited warranty. Registering your watch online or via the My Citizen App extends coverage by one additional year, totaling six years of protection. Setting instructions and user manuals can be accessed on Citizen’s official website or through the My Citizen App (available for iOS and Android) using the Movement Caliber Number found on the caseback. Replacement straps or links may be available for this model—check Citizen’s self-service portal for compatibility. The watch includes one lithium-ion battery (pre-installed). Always refer to official documentation for proper care and maintenance to preserve water resistance and overall performance.

Note: The included video content demonstrates product setup, real-world usage, unpacking, and comparisons with other models to help inform your purchase decision.

CITIZEN PARTNERSHIPS

Disney Alliance

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

Everybody Solar

Everybody Solar works to protect the environment and strengthen U.S. communities through solar-energy projects.

American Forests

American Forests is a pathfinder for creating healthy forests from coast to coast, leading the way for creating healthy and resilient forests.

Save the Beyond

Global adventurers on the front lines of the environmental battle share their stories in an effort to shine a light on destruction of the environment.