4644 S. Ashland Ave Chicago IL 60609 773-523-4667 joyeriaclaudias@sbcglobal.net
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Citizen Tsuki-Yomi A-T Purple Dial Super Titanium Eco-Drive Atomic Timekeeping Men’s Watch BY1010-81Z

Original price was: $875.00.Current price is: $744.00.

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When breakthrough technology and spectacular design meet, the Tsuki-yomi A-T is reading the moon. It’s the world’s first moonphase watch combined with atomic timekeeping innovation from Citizen, and this model is nothing short of impressive. The styling embodies the moon’s surface and a window at 6 o’clock displays the current moon phase. The timepiece measures 43mm in a silver-tone Super Titanium™ case, where sharp faceted edges pair with an elevated design throughout for an eye-catching aesthetic on the wrist. The deep purple dial works in tandem with black accents and silver-tone touches for a display that’s as handsome as it is legible. In addition to its running time, the watch features a moon phase display, world time in 24 time zones, a perpetual calendar, and a day-date functionality. Powered by Citizen’s proprietary Eco-Drive technology to provide light-powered vitality without ever needing a battery. Water resistant up to 100 meters. Caliber H874.

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Order in the next 08 hrs 3 mins 51 secs and get it by July 23, 2026

Order by 3:30 PM CT today and use our pre-selected shipping method.

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Description

Authorized Citizen Dealer

Claudia’s Jewelry Inc. is an Authorized Citizen Dealer. Every watch is guaranteed authentic and includes the original box, manual, and manufacturer warranty.

When breakthrough technology and spectacular design meet, the Tsuki-yomi A-T is reading the moon. It’s the world’s first moonphase timekeeping watch combined with atomic timekeeping innovation from Citizen, and this model is nothing short of impressive. The styling embodies the moon’s surface and a window at 6 o’clock displays the current moon phase. The timepiece measures 43mm in a silver-tone Super Titanium™ case, where sharp faceted edges pair with an elevated design throughout for an eye-catching aesthetic on the wrist. The deep purple dial works in tandem with black accents and silver-tone touches for a display that’s as handsome as it is legible. In addition to its running time, the watch features a moon phase display, world time in 24 time zones, a perpetual calendar, and a day-date functionality. Powered by Citizen’s proprietary Eco-Drive technology to provide light-powered vitality without ever needing a battery. Water resistant up to 100 meters. Caliber H874.

Citizen Tsuki-Yomi A-T Purple Dial Super Titanium Eco-Drive Atomic Timekeeping Men’s Watch BY1010-81Z

Feature Details
Brand Citizen
Collection Tsuki-Yomi A-T
Model BY1010-81Z
Gender Men’s
Movement H874 Eco-Drive
Technology Solar-Powered, Radio-Controlled Atomic Timekeeping
Functions Moonphase, World Time (24 Time Zones), Day-Date, Perpetual Calendar
Timekeeping Atomic Time Synchronization (Radio-Controlled)
Case Material Super Titanium
Case Finish Silver-Tone
Case Size 43mm
Case Shape Round
Dial Color Purple
Crystal Sapphire Crystal
Band Type Bracelet
Band Material Super Titanium
Clasp Fold-Over Clasp with Push Buttons
Water Resistance 100 Meters / 10 Bar / 333 ft
Display Analog
Watch Style Luxury, Sport, Technology
Additional Features Moonphase Display, Atomic Timekeeping Accuracy, Lightweight Titanium Construction, Scratch-Resistant Sapphire Crystal
  • Why Shop With Claudia’s Jewelry Inc.

    ✓ Authorized Citizen Dealer – Guaranteed Authentic

    ✓ Original Box & Manufacturer Warranty Included

    ✓ Fast & Free Shipping in the Continental USA

  • ✓ Trusted Family-Owned Jewelry Store

Additional information

Weight 2 lbs

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