The men's watch Citizen Moonphase BY1037-51H guarantees the highest accuracy of the atomic signal combined with theefficiency of solar charging, offering precise tracking of the time and moon phases without the need to replace the battery—for an ideal user experience for both watch enthusiasts and as a prestigious gift.

• Eco-Drive movement with solar charging and an 180-day power reserve that ensures continuous operation without battery replacement

• 4-zone radio-controlled synchronization (Europe, USA, Japan, China) for automatic and consistently accurate time adjustment.

• Automatic display of moon phases on the dial, calculated based on geographic location and the time signal.

• Stainless steel case and bracelet featuring a double-push-button safety clasp for stability and everyday comfort.

• High-transparency sapphire crystal with anti-magnetic treatment for consistent resistance to stress and external factors.

Technical details: The model features a stainless steel case with a diameter of 42 mm and a thickness of 10.72 mm, finished in a combination of finish grey. The bracelet is made of solid stainless steel and features a folding clasp with a double-push-button mechanism. The grey dial with raised hour markers is protected by scratch-resistant sapphire crystal, while water resistance is guaranteed up to 10 bar (100 meters). The watch is powered by a Citizen H874 radio-controlled solar quartz movement and is compatible with standard wrist sizes ranging from 150 mm to 210 mm thanks to the bracelet’s adjustable links.