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The Fall Event! Save 25% Off*

Prices as shown; no code needed.

*Save 25% off the current list price of a selection of watches. Discount automatically applied, as shown on product pages of applicable models; no code needed. Some exclusions apply, including but not limited to: New Arrivals, Limited Editions, ATTESA Collection, Eco-Drive One Collection, Series8 Collection, The CITIZEN Collection, preorder and products not in stock. Valid on Citizenwatch.com only, now through 10/25/26 11:59pm PT.

Pricing and product assortment on Citizenwatch.com may vary from retail, department, or specialty stores. Cannot be combined with other offers or discounts, or applied to previous purchases. We reserve the right to cancel this promotion at any time.

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Free Watch Band Sizing

We are also pleased to offer complimentary watch bracelet sizing services with your Citizenwatch.com purchase; please allow an extra 1-2 business days for order processing, prior to shipping, as sizing occurs on demand by one of our expert technicians.

The Fall Event! Save 25% Off*

Chrono Time A-T

DISCONTINUED
Chrono Time A-T - view 1
Chrono Time A-T - view 2

Chrono Time A-T

Stainless SteelAtomic Timekeeping

Sold Out

Reminiscent of CITIZEN®'s first Eco-Drive radio controlled analog world timer, the Chrono Time A-T now in its second generation, redefines atomic timekeeping with atomic clock synchronization for superior accuracy with world time in 26 cities. In a stainless steel case and bracelet with grey dial, the Chrono Time A-T features UTC alarm, 1/5-second chronograph, perpetual calendar, power reserve meter, sapphire crystal and date. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number H610.
Setting
InstructionsTechnical
SpecificationsSize Guide

Additional Details

Model & Movement
Model:BY0100-51H
Movement:H610 Eco-Drive
Powered by any light source, continuously and sustainably, eliminating the need to replace watch batteries.
Band & Clasp
Band Type:Stainless Steel Bracelet
Clasp:Fold Over Clasp with Push Buttons
Case & Dimensions
Case Width:44mm
Lug Width:24mm
Case Material:Silver-Tone Stainless Steel
Water Resistance:WR200/20Bar/666ft [Swimming, Showering & Snorkeling]
Crystal
Material:Sapphire Crystal
Superior scratch resistance and hardness
Dial & Details
Dial:Gray
Luminous Hands and Markers;Power Reserve Indicator
Movement Functions
Synchronized to Atomic Time Clock for Superior Accuracy
Atomic Timekeeping Technology with Synchronized Time Adjustment Available in 26 Time Zones
1/20 Second Chronograph Measures up to 60 Minutes
Perpetual Calendar
12/24 Hour Time
Alarm
Power Reserve Indicator
Day/Date
Universal Coordinated Time (UTC) Display

Carefully crafted

Citizen timepieces have been engineered to provide years of use with minimal need for service. In the event that service is needed, your timepiece is covered by our 5-year limited warranty. 

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