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The watch specialist for over 25 years
  2. Citizen
  3. Citizen Radio Controlled BY1030-09A Radio Controlled Moonphase Watch

Citizen Radio Controlled BY1030-09A Radio Controlled Moonphase Watch

  • Citizen Radio Controlled BY1030-09A Radio Controlled Moonphase Watch

Radio controlled solar quartz watch with moonphase

£389.- Incl 20% vat
● In stock
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  • Free delivery on watches above £84
  • 30-day return period
  • Official dealer of Citizen
Orders before 23:59 are shipped tomorrow!

Product description

This Citizen watch has a case made of Steel silver with a diameter of 42 mm and is fitted with a leather strap. Inside the case lies a Citizen movement and the watch features a Sapphire crystal.

The watch is 10ATM. This means the watch is suitable for swimming. The watch comes with 2 Year Warranty.

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Specifications

EAN 4974374344151
Diameter 42 mm
Water Resistant 10 Bar (Swim)
Warranty 2 Year Warranty
Free 1 year extra warranty on Watch.co.uk

Functions

Time hours - Analogue hand
Calendar Date - Window
Alarms and notifications Power reserve indicator - Dial
General information
EAN 4974374344151
Brand Citizen
Series Radio Controlled
Name Radio Controlled Moonphase
Year 2025 Fall / Winter
Display Type analog
Swiss Made No
Water Resistant 10 Bar (Swim)
Dial colour White
Hand colors (h-m-s) Silver, Silver, Blue
Case information
Case code 00BX901
Diameter 42 mm
Case Thickness 10.8 mm
Material Stainless steel
Case Shape Round
Case colour Silver
Back case material Stainless steel
Back Case Snap on
Material crystal Sapphire
Crown Pull crown
Movement information
Movement part nr. H874 ( See specifications )
Download manual (English)
Movement Brand Citizen
Swiss movement No
Display Type analog
Mechanism Solar Quartz
Battery Rechargable solar battery
Power reserve 2.5 year
Hackable YES
Skeletonized No
Strap information
Strap material Leather
Strap width 21 mm
Lug width 21 mm
Strap width at the clasp 18 mm
Strap colour Dark Blue
Color stitching Dark Blue
Clasp Type Butterfly Buckle
Clasp colour Silver
Custom sizing? No
Mount type Push pins
Straight strap mount YES
Suitable for wrist size 160 mm - 210 mm

Print & Fit

Wondering how the watch fits your wrist? Use the print and fit function!

Time
hours Analogue hand
minutes Analogue hand
Seconds Analogue hand
24-HR Indicator Analogue dial
Moon Phase Analogue
Automatische aanpassing van de tijd Radio controlled
Calendar
Date Window
Day Dial
Perpetual Calendar
Alarms and notifications
Power reserve indicator Dial

User experiences

  1. "A complex movement with multiple settings"
    "Un mouvement complexe aux multiples réglage"
    Laurent Bélin · 2 december 2025

    A sophisticated watch with a sober design.

    • Sober design
    • A highly accomplished movement
    • Simple day-to-day use thanks to radio controlled

    Une montre sophistiquée au design sobre.

    • Design sobre
    • Mouvement très abouti
    • Utilisation simple au quotidien grâce au radio controlled
Citizen Radio Controlled BY1030-09A Radio Controlled Moonphase Watch