Citizen Men’s Eco-Drive Calendrier Classic Watch, 12/24 Hour
Product Overview
The Citizen Men’s Eco-Drive Calendrier Classic Watch blends timeless elegance with forward-thinking sustainability. Designed for the modern man who values both form and function, this timepiece is powered entirely by light—natural or artificial—through Citizen’s innovative Eco-Drive technology. With its rich brown leather strap and matching dial, the watch offers a refined, versatile look that transitions seamlessly from professional settings to casual weekend wear. The stainless steel case and anti-reflective mineral crystal provide durability without compromising on style. Whether you’re heading to a business meeting, traveling across time zones, or simply managing your daily schedule, the Calendrier delivers consistent performance and understated sophistication.
Key Features
- Eco-Drive Technology – Powered by any light source, this watch never needs a battery change. The Caliber 8729 movement efficiently converts light into energy, ensuring reliable operation day after day. Whether you’re indoors under office lighting or outdoors in sunlight, the watch stays charged and ready.
- 12/24-Hour Time Display – Easily switch between standard 12-hour and military-style 24-hour formats. This dual-display capability is especially useful for travelers or professionals who work across international teams and need clarity on time conventions.
- Day and Date Function – Integrated into the analog display, the day and date indicators help you stay organized. No need to reach for your phone—just a quick glance keeps you on track with appointments, meetings, and personal commitments.
- World Time for 24 Cities – Stay connected across time zones with built-in world time functionality. Perfect for frequent flyers, remote workers, or anyone with global connections, this feature allows you to monitor the local time in major cities around the world with ease.
- Chronograph Function – The precise stopwatch feature enables accurate timing for workouts, cooking, meetings, or any activity requiring measured intervals. It adds practical utility to the watch’s classic design.
- Luminous Hands – The watch hands absorb ambient light and glow in low-light conditions, ensuring readability in dimly lit environments such as restaurants, airplanes, or evening commutes.
- Premium Materials – Crafted with a stainless steel case, chocolate brown leather strap, and anti-reflective mineral crystal, the watch balances durability with refined aesthetics. The buckle clasp ensures a secure and comfortable fit throughout the day.
Technical Specifications
- Model Number: BU2020-29X
- Collection: Classic
- Clasp Type: Buckle
- Dial Color: Brown
- Technology: Eco-Drive (Caliber 8729)
- Water Resistance: 100 Meters
- Band Material: Leather
- Band Color: Brown
- Case Thickness: 13 millimeters
- Case Diameter: 44 millimeters
- Case Material: Stainless Steel
- Dial Window Type: Anti-Reflective Mineral Crystal
- Display Type: Analog
Benefits & Use Cases
This watch is built for everyday wear across a wide range of environments. Its classic design and neutral brown color make it appropriate for formal occasions, office wear, or relaxed weekend outings. The 100-meter water resistance rating means it can handle swimming, snorkeling, and exposure to rain—ideal for active lifestyles—though it is not suitable for scuba diving. Frequent travelers will find the world time and 24-hour display particularly valuable for staying coordinated across time zones. The luminous hands ensure visibility in low-light situations, while the Eco-Drive technology eliminates the hassle and environmental impact of battery replacements. With its combination of practical features and enduring style, the Calendrier is a dependable companion for work, travel, and daily life.
Important Notes
The Citizen Men’s Eco-Drive Calendrier Classic Watch includes a five-year limited warranty. Registering your watch online or through the My Citizen App extends coverage by one additional year, providing a total of six years of protection. Setting instructions are available on the Citizen website or via the My Citizen App (compatible with iOS and Android)—simply search for your model number or enter the Caliber 8729 found on the caseback. Replacement straps may be available through Citizen’s self-service portal, though availability depends on the specific model. The watch is not discontinued and was first released on November 15, 2023. It includes one integrated lithium-ion battery (not user-replaceable) and measures 4.72 x 4.72 x 4.72 inches with an item weight of 7.05 ounces. For warranty claims or service requests, contact Citizen customer support directly.
Citizen is proud to partner with several environmental and community-focused organizations, reflecting its commitment to sustainability and social responsibility. These include Disney Parks, where Citizen serves as the official timepiece partner for events and sponsorships; Everybody Solar, which supports solar-energy projects to strengthen communities; American Forests, a leader in reforestation and forest resilience; and 1% For The Planet, a global network of businesses dedicated to environmental stewardship. Through these partnerships, Citizen reinforces its mission to create timepieces that not only perform reliably but also contribute positively to the world.
