SKU: BY1030-50L

Citizen - Moonphase by1030-50l Watch

€ 368,03
  • Availability: In stock now
  • Delivery in Italy: 24-48 hWednesday 4 November
  • Foreign delivery : 3-4 days
Per l'Italia
Personalize this product with an engraving (+€ 16,39)
All engraving images are included for illustrative purposes.

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Go to the guide
WATCH CASE
Watch shape Round case
Case diameter 42 mm
Case material Steel
Glass Sapphire
Water Resistance 10 ATM - 10 BAR - 100 m
MOVEMENT
Movement Solar
Charge Eco drive
Caliber H874
FUNCTIONS
Dual Time NO
Functions Time
Chronograph
Stopwatch
Day
WATCH DIAL
Dial color Blu
Indices Indices
BRACELET
Bracelet material Steel
Bracelet Clasp Deployant
 
Ean8018225044343
Description

The men's watch Citizen Moonphase BY1030-50L 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 satin and polished surfaces. The bracelet is made of solid stainless steel and features a folding clasp with a double-push-button mechanism. The deep blue 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.

Frequently asked questions
What does it mean when a clock is described as a 4-zone radio-controlled clock?
The watch automatically receives radio signals transmitted by atomic clocks in four regions (Europe, the U.S., Japan, and China). In this way, it automatically sets the exact time, the perpetual calendar, and the switch between standard time and daylight saving time, ensuring a margin of error that is practically zero.
How is the moon phase displayed on the dial?
The model uses the Citizen H874 (“Tsuki-yomi”) movement, which performs an automatic mathematical calculation based on the set geographic location and the received radio signal, precisely positioning the moon graphic on the dedicated sub-dial.
What are the differences between this model (BY1030-50L) and the version with a leather strap (BY1030-09A)?
While the BY1030-09A model features a silver dial and a brown leather strap, the BY1030-50L model stands out for its blue dial with a sunburst finish and its integrated solid-link stainless steel bracelet with a double-push-button folding clasp.
Is sapphire glass durable and anti-reflective?
Yes, the dial is protected by a synthetic sapphire crystal of extremely high hardness, which is virtually scratch-resistant in everyday use and features an anti-reflective coating for easy readability in any lighting condition.
Can I wear the watch in the water?
The watch is water-resistant to 10 bar (100 meters / 10 ATM). Its sturdy steel construction and gaskets make it suitable for everyday use, in the shower, while swimming, and when diving in a pool or the ocean.
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Via Roma 39 - 16034 Portofino, Italia

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