Citizen Alterna VO10-6741F JDM | Eco-Drive Solar Sports Chronograph Watch in Stainless Steel (39.8 mm, 100 m)

Professional Description

The Citizen Alterna VO10-6741F is a timepiece originally designed for the Japanese Domestic Market (JDM) as part of the prestigious Citizen Collection Alterna series. Clearly inspired by technical cockpit instrumentation and classic motorsports, this chronograph stands out for its understated, highly legible matte black dial, combined with a stainless steel case featuring exceptionally balanced and ergonomic proportions: 39.8 mm in diameter and a slim profile of just 11.2 mm in thickness.

Inside beats the reliable Citizen H500 in-house caliber with Eco-Drive technology, a solar-powered quartz movement capable of transforming any light source into an inexhaustible energy source, guaranteeing uninterrupted operation for several months without the need to replace the battery. Paired with a sturdy solid-steel bracelet and water-resistant to 100 meters (10 bar), the VO10-6741F represents the ideal combination of Japanese technological reliability, chronometric functionality, and aesthetic versatility for everyday wear.

Key Features

• JDM (Japanese Domestic Market) Edition: A model originally distributed exclusively in the Japanese market, prized by international collectors for its refined finishes and compact size.
• Eco-Drive Solar Technology (Caliber H500): Self-charging via sunlight or indoor artificial lighting. Features an overcharge prevention function and a low-charge warning system indicated by the second hand jumping in two-second intervals.
• Universal and Comfortable Dimensions (39.8 mm): A diameter of less than 40 mm and a sleek thickness of 11.2 mm ensure a flawless fit on any wrist size, sliding effortlessly under the sleeve.
• High-Contrast Instrumental Dial: A textured black dial with hour markers and main hands treated with high-performance luminescent paste for clear visibility in dark environments.
• Water Resistance to 100 Meters (10 ATM): A fully water-resistant seal that allows for worry-free use in the shower, while swimming, and during surface water activities.
• Integrated Stainless Steel Bracelet: Solid, satin-finished link bracelet with polished edges, featuring a safety folding clasp with side pushers for quick release.

Technical Specifications

Component / Feature Technical Detail
Brand and Collection Citizen (Citizen Collection / Alterna Line)
Reference / Model VO10-6741F (JDM Series)
Movement / Caliber Citizen Eco-Drive Solar Quartz (Caliber H500)
Power Source Continuous solar charging (approx. 5 months of battery life when fully charged)
Complication Chronograph with 60-minute counter, 24-hour sub-dial, and date window
Case Material Stainless steel (brushed and polished finishes)
Case Dimensions Diameter: 39.8 mm | Thickness: 11.2 mm
Crystal Hardened mineral crystal
Dial Matte black with classic tricompax layout
Luminescence Luminescent material on main hands and hour markers
Bracelet Solid stainless steel, silver-plated finish
Clasp Trifold deployant clasp with side safety pushers
Water Resistance 100 meters (10 ATM / 10 Bar)
Case Back Stainless steel screw-down case back

Dial Functions and Operational Performance

• Functional Sports Chronograph: Measures time intervals with a central seconds hand and a counter capable of up to 60 minutes located in the sub-dial at the 10 o’clock position.
• 24-Hour Indicator Sub-Dial: Auxiliary hand located at the 2 o’clock position, synchronized with the main time display, allowing for instant identification of day and night.
• Small Continuous Seconds: Independent sub-dial at the 6 o’clock position for monitoring the main time’s seconds hand without interfering with chronograph measurements.
• Date Window: Discreetly located numeric date display at the 4 o’clock position with a beveled frame for quick reading of the day of the month.